Home / 274,898.08-379,354.56-154,038.88

Finding the Fourth Proportional to 274,898.08, 379,354.56 and 154,038.88

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Solution

The fourth proportional to 274,898.08, 379,354.56 and 154,038.88 is: 212,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,898.08 : 379,354.56 = 154,038.88 : x
  2. Step 2: Convert to fraction form
    274,898.08/379,354.56 = 154,038.88/x
  3. Step 3: Cross multiply
    274,898.08x = 379,354.56 × 154,038.88
  4. Step 4: Simplify right side
    274,898.08x = 58,435,351,545.29
  5. Step 5: Solve for x
    x = 58,435,351,545.29/274,898.08
  6. Step 6: Final answer
    x = 212,570.97

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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.