Home / 399,156.20-598,964.70-149,863.40

Finding the Fourth Proportional to 399,156.20, 598,964.70 and 149,863.40

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Solution

The fourth proportional to 399,156.20, 598,964.70 and 149,863.40 is: 224,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,156.20 : 598,964.70 = 149,863.40 : x
  2. Step 2: Convert to fraction form
    399,156.20/598,964.70 = 149,863.40/x
  3. Step 3: Cross multiply
    399,156.20x = 598,964.70 × 149,863.40
  4. Step 4: Simplify right side
    399,156.20x = 89,762,886,421.98
  5. Step 5: Solve for x
    x = 89,762,886,421.98/399,156.20
  6. Step 6: Final answer
    x = 224,881.60

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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.