Home / 402,159.15-554,993.28-230,105.43

Finding the Fourth Proportional to 402,159.15, 554,993.28 and 230,105.43

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Solution

The fourth proportional to 402,159.15, 554,993.28 and 230,105.43 is: 317,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,159.15 : 554,993.28 = 230,105.43 : x
  2. Step 2: Convert to fraction form
    402,159.15/554,993.28 = 230,105.43/x
  3. Step 3: Cross multiply
    402,159.15x = 554,993.28 × 230,105.43
  4. Step 4: Simplify right side
    402,159.15x = 127,706,967,341.51
  5. Step 5: Solve for x
    x = 127,706,967,341.51/402,159.15
  6. Step 6: Final answer
    x = 317,553.31

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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.