Home / 372,308.73-557,911.22-212,302.34

Finding the Fourth Proportional to 372,308.73, 557,911.22 and 212,302.34

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Solution

The fourth proportional to 372,308.73, 557,911.22 and 212,302.34 is: 318,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,308.73 : 557,911.22 = 212,302.34 : x
  2. Step 2: Convert to fraction form
    372,308.73/557,911.22 = 212,302.34/x
  3. Step 3: Cross multiply
    372,308.73x = 557,911.22 × 212,302.34
  4. Step 4: Simplify right side
    372,308.73x = 118,445,857,925.58
  5. Step 5: Solve for x
    x = 118,445,857,925.58/372,308.73
  6. Step 6: Final answer
    x = 318,138.82

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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.