Home / 636,023.90-953,442.93-215,005.34

Finding the Fourth Proportional to 636,023.90, 953,442.93 and 215,005.34

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Solution

The fourth proportional to 636,023.90, 953,442.93 and 215,005.34 is: 322,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,023.90 : 953,442.93 = 215,005.34 : x
  2. Step 2: Convert to fraction form
    636,023.90/953,442.93 = 215,005.34/x
  3. Step 3: Cross multiply
    636,023.90x = 953,442.93 × 215,005.34
  4. Step 4: Simplify right side
    636,023.90x = 204,995,321,335.25
  5. Step 5: Solve for x
    x = 204,995,321,335.25/636,023.90
  6. Step 6: Final answer
    x = 322,307.58

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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.