Home / 372,442.76-514,026.38-219,432.05

Finding the Fourth Proportional to 372,442.76, 514,026.38 and 219,432.05

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Solution

The fourth proportional to 372,442.76, 514,026.38 and 219,432.05 is: 302,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,442.76 : 514,026.38 = 219,432.05 : x
  2. Step 2: Convert to fraction form
    372,442.76/514,026.38 = 219,432.05/x
  3. Step 3: Cross multiply
    372,442.76x = 514,026.38 × 219,432.05
  4. Step 4: Simplify right side
    372,442.76x = 112,793,862,317.48
  5. Step 5: Solve for x
    x = 112,793,862,317.48/372,442.76
  6. Step 6: Final answer
    x = 302,848.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.