Home / 645,456.62-968,316.14-224,765.30

Finding the Fourth Proportional to 645,456.62, 968,316.14 and 224,765.30

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Solution

The fourth proportional to 645,456.62, 968,316.14 and 224,765.30 is: 337,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,456.62 : 968,316.14 = 224,765.30 : x
  2. Step 2: Convert to fraction form
    645,456.62/968,316.14 = 224,765.30/x
  3. Step 3: Cross multiply
    645,456.62x = 968,316.14 × 224,765.30
  4. Step 4: Simplify right side
    645,456.62x = 217,643,867,701.94
  5. Step 5: Solve for x
    x = 217,643,867,701.94/645,456.62
  6. Step 6: Final answer
    x = 337,193.64

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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.