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Finding the Fourth Proportional to 253,654.47, 380,066.13 and 153,847.08

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Solution

The fourth proportional to 253,654.47, 380,066.13 and 153,847.08 is: 230,518.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,654.47 : 380,066.13 = 153,847.08 : x
  2. Step 2: Convert to fraction form
    253,654.47/380,066.13 = 153,847.08/x
  3. Step 3: Cross multiply
    253,654.47x = 380,066.13 × 153,847.08
  4. Step 4: Simplify right side
    253,654.47x = 58,472,064,307.40
  5. Step 5: Solve for x
    x = 58,472,064,307.40/253,654.47
  6. Step 6: Final answer
    x = 230,518.56

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1.5x scale

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.