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Finding the Fourth Proportional to 505,869.71, 758,804.61 and 141,117.06

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Solution

The fourth proportional to 505,869.71, 758,804.61 and 141,117.06 is: 211,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,869.71 : 758,804.61 = 141,117.06 : x
  2. Step 2: Convert to fraction form
    505,869.71/758,804.61 = 141,117.06/x
  3. Step 3: Cross multiply
    505,869.71x = 758,804.61 × 141,117.06
  4. Step 4: Simplify right side
    505,869.71x = 107,080,275,677.65
  5. Step 5: Solve for x
    x = 107,080,275,677.65/505,869.71
  6. Step 6: Final answer
    x = 211,675.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.