Home / 286,312.38-395,127.48-158,996.17

Finding the Fourth Proportional to 286,312.38, 395,127.48 and 158,996.17

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Solution

The fourth proportional to 286,312.38, 395,127.48 and 158,996.17 is: 219,423.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,312.38 : 395,127.48 = 158,996.17 : x
  2. Step 2: Convert to fraction form
    286,312.38/395,127.48 = 158,996.17/x
  3. Step 3: Cross multiply
    286,312.38x = 395,127.48 × 158,996.17
  4. Step 4: Simplify right side
    286,312.38x = 62,823,755,981.75
  5. Step 5: Solve for x
    x = 62,823,755,981.75/286,312.38
  6. Step 6: Final answer
    x = 219,423.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.