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Finding the Fourth Proportional to 370,870.67, 556,349.45 and 118,062.59

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Solution

The fourth proportional to 370,870.67, 556,349.45 and 118,062.59 is: 177,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,870.67 : 556,349.45 = 118,062.59 : x
  2. Step 2: Convert to fraction form
    370,870.67/556,349.45 = 118,062.59/x
  3. Step 3: Cross multiply
    370,870.67x = 556,349.45 × 118,062.59
  4. Step 4: Simplify right side
    370,870.67x = 65,684,053,640.02
  5. Step 5: Solve for x
    x = 65,684,053,640.02/370,870.67
  6. Step 6: Final answer
    x = 177,107.70

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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.