Home / 347,727.60-521,461.80-123,001.20

Finding the Fourth Proportional to 347,727.60, 521,461.80 and 123,001.20

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Solution

The fourth proportional to 347,727.60, 521,461.80 and 123,001.20 is: 184,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,727.60 : 521,461.80 = 123,001.20 : x
  2. Step 2: Convert to fraction form
    347,727.60/521,461.80 = 123,001.20/x
  3. Step 3: Cross multiply
    347,727.60x = 521,461.80 × 123,001.20
  4. Step 4: Simplify right side
    347,727.60x = 64,140,427,154.16
  5. Step 5: Solve for x
    x = 64,140,427,154.16/347,727.60
  6. Step 6: Final answer
    x = 184,455.96

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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.