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Finding the Fourth Proportional to 292,707.52, 438,740.56 and 150,560.28

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Solution

The fourth proportional to 292,707.52, 438,740.56 and 150,560.28 is: 225,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,707.52 : 438,740.56 = 150,560.28 : x
  2. Step 2: Convert to fraction form
    292,707.52/438,740.56 = 150,560.28/x
  3. Step 3: Cross multiply
    292,707.52x = 438,740.56 × 150,560.28
  4. Step 4: Simplify right side
    292,707.52x = 66,056,901,560.96
  5. Step 5: Solve for x
    x = 66,056,901,560.96/292,707.52
  6. Step 6: Final answer
    x = 225,675.45

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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.