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Finding the Fourth Proportional to 308,000.03, 425,035.52 and 172,035.89

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Solution

The fourth proportional to 308,000.03, 425,035.52 and 172,035.89 is: 237,407.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,000.03 : 425,035.52 = 172,035.89 : x
  2. Step 2: Convert to fraction form
    308,000.03/425,035.52 = 172,035.89/x
  3. Step 3: Cross multiply
    308,000.03x = 425,035.52 × 172,035.89
  4. Step 4: Simplify right side
    308,000.03x = 73,121,361,839.64
  5. Step 5: Solve for x
    x = 73,121,361,839.64/308,000.03
  6. Step 6: Final answer
    x = 237,407.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.