Home / 252,934.34-349,045.17-138,210.46

Finding the Fourth Proportional to 252,934.34, 349,045.17 and 138,210.46

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Solution

The fourth proportional to 252,934.34, 349,045.17 and 138,210.46 is: 190,728.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,934.34 : 349,045.17 = 138,210.46 : x
  2. Step 2: Convert to fraction form
    252,934.34/349,045.17 = 138,210.46/x
  3. Step 3: Cross multiply
    252,934.34x = 349,045.17 × 138,210.46
  4. Step 4: Simplify right side
    252,934.34x = 48,241,692,815.43
  5. Step 5: Solve for x
    x = 48,241,692,815.43/252,934.34
  6. Step 6: Final answer
    x = 190,728.13

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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.