Home / 820,158.57-1,230,275.12-251,498.07

Finding the Fourth Proportional to 820,158.57, 1,230,275.12 and 251,498.07

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Solution

The fourth proportional to 820,158.57, 1,230,275.12 and 251,498.07 is: 377,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,158.57 : 1,230,275.12 = 251,498.07 : x
  2. Step 2: Convert to fraction form
    820,158.57/1,230,275.12 = 251,498.07/x
  3. Step 3: Cross multiply
    820,158.57x = 1,230,275.12 × 251,498.07
  4. Step 4: Simplify right side
    820,158.57x = 309,411,816,991.53
  5. Step 5: Solve for x
    x = 309,411,816,991.53/820,158.57
  6. Step 6: Final answer
    x = 377,258.53

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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.