Home / 407,371.20-610,238.88-207,683.52

Finding the Fourth Proportional to 407,371.20, 610,238.88 and 207,683.52

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Solution

The fourth proportional to 407,371.20, 610,238.88 and 207,683.52 is: 311,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,371.20 : 610,238.88 = 207,683.52 : x
  2. Step 2: Convert to fraction form
    407,371.20/610,238.88 = 207,683.52/x
  3. Step 3: Cross multiply
    407,371.20x = 610,238.88 × 207,683.52
  4. Step 4: Simplify right side
    407,371.20x = 126,736,558,639.26
  5. Step 5: Solve for x
    x = 126,736,558,639.26/407,371.20
  6. Step 6: Final answer
    x = 311,108.29

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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.