Home / 399,926.71-599,768.06-210,284.19

Finding the Fourth Proportional to 399,926.71, 599,768.06 and 210,284.19

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Solution

The fourth proportional to 399,926.71, 599,768.06 and 210,284.19 is: 315,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,926.71 : 599,768.06 = 210,284.19 : x
  2. Step 2: Convert to fraction form
    399,926.71/599,768.06 = 210,284.19/x
  3. Step 3: Cross multiply
    399,926.71x = 599,768.06 × 210,284.19
  4. Step 4: Simplify right side
    399,926.71x = 126,121,743,263.10
  5. Step 5: Solve for x
    x = 126,121,743,263.10/399,926.71
  6. Step 6: Final answer
    x = 315,362.14

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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.