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Finding the Fourth Proportional to 434,720.40, 652,080.60 and 181,957.20

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Solution

The fourth proportional to 434,720.40, 652,080.60 and 181,957.20 is: 272,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,720.40 : 652,080.60 = 181,957.20 : x
  2. Step 2: Convert to fraction form
    434,720.40/652,080.60 = 181,957.20/x
  3. Step 3: Cross multiply
    434,720.40x = 652,080.60 × 181,957.20
  4. Step 4: Simplify right side
    434,720.40x = 118,650,760,150.32
  5. Step 5: Solve for x
    x = 118,650,760,150.32/434,720.40
  6. Step 6: Final answer
    x = 272,935.80

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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.