Home / 340,402.06-469,758.29-187,454.46

Finding the Fourth Proportional to 340,402.06, 469,758.29 and 187,454.46

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Solution

The fourth proportional to 340,402.06, 469,758.29 and 187,454.46 is: 258,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,402.06 : 469,758.29 = 187,454.46 : x
  2. Step 2: Convert to fraction form
    340,402.06/469,758.29 = 187,454.46/x
  3. Step 3: Cross multiply
    340,402.06x = 469,758.29 × 187,454.46
  4. Step 4: Simplify right side
    340,402.06x = 88,058,286,582.47
  5. Step 5: Solve for x
    x = 88,058,286,582.47/340,402.06
  6. Step 6: Final answer
    x = 258,689.05

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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.