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Finding the Fourth Proportional to 292,710.60, 438,555.60 and 134,614.80

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Solution

The fourth proportional to 292,710.60, 438,555.60 and 134,614.80 is: 201,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,710.60 : 438,555.60 = 134,614.80 : x
  2. Step 2: Convert to fraction form
    292,710.60/438,555.60 = 134,614.80/x
  3. Step 3: Cross multiply
    292,710.60x = 438,555.60 × 134,614.80
  4. Step 4: Simplify right side
    292,710.60x = 59,036,074,382.88
  5. Step 5: Solve for x
    x = 59,036,074,382.88/292,710.60
  6. Step 6: Final answer
    x = 201,687.52

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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.