Home / 499,515.40-749,273.10-162,587.80

Finding the Fourth Proportional to 499,515.40, 749,273.10 and 162,587.80

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Solution

The fourth proportional to 499,515.40, 749,273.10 and 162,587.80 is: 243,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,515.40 : 749,273.10 = 162,587.80 : x
  2. Step 2: Convert to fraction form
    499,515.40/749,273.10 = 162,587.80/x
  3. Step 3: Cross multiply
    499,515.40x = 749,273.10 × 162,587.80
  4. Step 4: Simplify right side
    499,515.40x = 121,822,664,928.18
  5. Step 5: Solve for x
    x = 121,822,664,928.18/499,515.40
  6. Step 6: Final answer
    x = 243,881.70

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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.