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Finding the Fourth Proportional to 538,750.80, 808,130.24 and 239,150.84

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Solution

The fourth proportional to 538,750.80, 808,130.24 and 239,150.84 is: 358,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,750.80 : 808,130.24 = 239,150.84 : x
  2. Step 2: Convert to fraction form
    538,750.80/808,130.24 = 239,150.84/x
  3. Step 3: Cross multiply
    538,750.80x = 808,130.24 × 239,150.84
  4. Step 4: Simplify right side
    538,750.80x = 193,265,020,489.00
  5. Step 5: Solve for x
    x = 193,265,020,489.00/538,750.80
  6. Step 6: Final answer
    x = 358,728.04

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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.