Home / 340,377.90-510,882.06-172,016.70

Finding the Fourth Proportional to 340,377.90, 510,882.06 and 172,016.70

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Solution

The fourth proportional to 340,377.90, 510,882.06 and 172,016.70 is: 258,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,377.90 : 510,882.06 = 172,016.70 : x
  2. Step 2: Convert to fraction form
    340,377.90/510,882.06 = 172,016.70/x
  3. Step 3: Cross multiply
    340,377.90x = 510,882.06 × 172,016.70
  4. Step 4: Simplify right side
    340,377.90x = 87,880,246,050.40
  5. Step 5: Solve for x
    x = 87,880,246,050.40/340,377.90
  6. Step 6: Final answer
    x = 258,184.35

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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.