Home / 510,850.85-766,276.47-211,001.90

Finding the Fourth Proportional to 510,850.85, 766,276.47 and 211,001.90

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Solution

The fourth proportional to 510,850.85, 766,276.47 and 211,001.90 is: 316,502.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,850.85 : 766,276.47 = 211,001.90 : x
  2. Step 2: Convert to fraction form
    510,850.85/766,276.47 = 211,001.90/x
  3. Step 3: Cross multiply
    510,850.85x = 766,276.47 × 211,001.90
  4. Step 4: Simplify right side
    510,850.85x = 161,685,787,263.91
  5. Step 5: Solve for x
    x = 161,685,787,263.91/510,850.85
  6. Step 6: Final answer
    x = 316,502.93

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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.