Home / 510,630.79-766,029.34-150,838.15

Finding the Fourth Proportional to 510,630.79, 766,029.34 and 150,838.15

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Solution

The fourth proportional to 510,630.79, 766,029.34 and 150,838.15 is: 226,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,630.79 : 766,029.34 = 150,838.15 : x
  2. Step 2: Convert to fraction form
    510,630.79/766,029.34 = 150,838.15/x
  3. Step 3: Cross multiply
    510,630.79x = 766,029.34 × 150,838.15
  4. Step 4: Simplify right side
    510,630.79x = 115,546,444,661.17
  5. Step 5: Solve for x
    x = 115,546,444,661.17/510,630.79
  6. Step 6: Final answer
    x = 226,281.78

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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.