Home / 292,395.54-438,609.26-92,701.49

Finding the Fourth Proportional to 292,395.54, 438,609.26 and 92,701.49

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Solution

The fourth proportional to 292,395.54, 438,609.26 and 92,701.49 is: 139,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,395.54 : 438,609.26 = 92,701.49 : x
  2. Step 2: Convert to fraction form
    292,395.54/438,609.26 = 92,701.49/x
  3. Step 3: Cross multiply
    292,395.54x = 438,609.26 × 92,701.49
  4. Step 4: Simplify right side
    292,395.54x = 40,659,731,929.80
  5. Step 5: Solve for x
    x = 40,659,731,929.80/292,395.54
  6. Step 6: Final answer
    x = 139,057.29

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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.