Home / 292,539.48-438,759.04-92,815.36

Finding the Fourth Proportional to 292,539.48, 438,759.04 and 92,815.36

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Solution

The fourth proportional to 292,539.48, 438,759.04 and 92,815.36 is: 139,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,539.48 : 438,759.04 = 92,815.36 : x
  2. Step 2: Convert to fraction form
    292,539.48/438,759.04 = 92,815.36/x
  3. Step 3: Cross multiply
    292,539.48x = 438,759.04 × 92,815.36
  4. Step 4: Simplify right side
    292,539.48x = 40,723,578,250.85
  5. Step 5: Solve for x
    x = 40,723,578,250.85/292,539.48
  6. Step 6: Final answer
    x = 139,207.12

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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.