Home / 372,442.40-514,025.86-219,431.68

Finding the Fourth Proportional to 372,442.40, 514,025.86 and 219,431.68

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Solution

The fourth proportional to 372,442.40, 514,025.86 and 219,431.68 is: 302,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,442.40 : 514,025.86 = 219,431.68 : x
  2. Step 2: Convert to fraction form
    372,442.40/514,025.86 = 219,431.68/x
  3. Step 3: Cross multiply
    372,442.40x = 514,025.86 × 219,431.68
  4. Step 4: Simplify right side
    372,442.40x = 112,793,558,023.25
  5. Step 5: Solve for x
    x = 112,793,558,023.25/372,442.40
  6. Step 6: Final answer
    x = 302,848.33

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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.