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Finding the Fourth Proportional to 292,544.32, 438,484.64 and 134,446

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Solution

The fourth proportional to 292,544.32, 438,484.64 and 134,446 is: 201,516.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,544.32 : 438,484.64 = 134,446 : x
  2. Step 2: Convert to fraction form
    292,544.32/438,484.64 = 134,446/x
  3. Step 3: Cross multiply
    292,544.32x = 438,484.64 × 134,446
  4. Step 4: Simplify right side
    292,544.32x = 58,952,505,909.44
  5. Step 5: Solve for x
    x = 58,952,505,909.44/292,544.32
  6. Step 6: Final answer
    x = 201,516.49

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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.