Home / 434,688.16-651,962.25-119,071.30

Finding the Fourth Proportional to 434,688.16, 651,962.25 and 119,071.30

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Solution

The fourth proportional to 434,688.16, 651,962.25 and 119,071.30 is: 178,587.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,688.16 : 651,962.25 = 119,071.30 : x
  2. Step 2: Convert to fraction form
    434,688.16/651,962.25 = 119,071.30/x
  3. Step 3: Cross multiply
    434,688.16x = 651,962.25 × 119,071.30
  4. Step 4: Simplify right side
    434,688.16x = 77,629,992,658.43
  5. Step 5: Solve for x
    x = 77,629,992,658.43/434,688.16
  6. Step 6: Final answer
    x = 178,587.78

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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.