Home / 510,628.40-766,288.20-230,001.20

Finding the Fourth Proportional to 510,628.40, 766,288.20 and 230,001.20

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Solution

The fourth proportional to 510,628.40, 766,288.20 and 230,001.20 is: 345,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,628.40 : 766,288.20 = 230,001.20 : x
  2. Step 2: Convert to fraction form
    510,628.40/766,288.20 = 230,001.20/x
  3. Step 3: Cross multiply
    510,628.40x = 766,288.20 × 230,001.20
  4. Step 4: Simplify right side
    510,628.40x = 176,247,205,545.84
  5. Step 5: Solve for x
    x = 176,247,205,545.84/510,628.40
  6. Step 6: Final answer
    x = 345,157.47

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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.