Home / 292,024.30-438,036.45-272,341.30

Finding the Fourth Proportional to 292,024.30, 438,036.45 and 272,341.30

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Solution

The fourth proportional to 292,024.30, 438,036.45 and 272,341.30 is: 408,511.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,024.30 : 438,036.45 = 272,341.30 : x
  2. Step 2: Convert to fraction form
    292,024.30/438,036.45 = 272,341.30/x
  3. Step 3: Cross multiply
    292,024.30x = 438,036.45 × 272,341.30
  4. Step 4: Simplify right side
    292,024.30x = 119,295,416,240.39
  5. Step 5: Solve for x
    x = 119,295,416,240.39/292,024.30
  6. Step 6: Final answer
    x = 408,511.95

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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.