Home / 379,475.10-569,397.18-179,557.34

Finding the Fourth Proportional to 379,475.10, 569,397.18 and 179,557.34

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Solution

The fourth proportional to 379,475.10, 569,397.18 and 179,557.34 is: 269,423.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,475.10 : 569,397.18 = 179,557.34 : x
  2. Step 2: Convert to fraction form
    379,475.10/569,397.18 = 179,557.34/x
  3. Step 3: Cross multiply
    379,475.10x = 569,397.18 × 179,557.34
  4. Step 4: Simplify right side
    379,475.10x = 102,239,443,044.30
  5. Step 5: Solve for x
    x = 102,239,443,044.30/379,475.10
  6. Step 6: Final answer
    x = 269,423.32

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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.