Home / 460,187.42-690,279.25-140,338.35

Finding the Fourth Proportional to 460,187.42, 690,279.25 and 140,338.35

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Solution

The fourth proportional to 460,187.42, 690,279.25 and 140,338.35 is: 210,506.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,187.42 : 690,279.25 = 140,338.35 : x
  2. Step 2: Convert to fraction form
    460,187.42/690,279.25 = 140,338.35/x
  3. Step 3: Cross multiply
    460,187.42x = 690,279.25 × 140,338.35
  4. Step 4: Simplify right side
    460,187.42x = 96,872,654,005.99
  5. Step 5: Solve for x
    x = 96,872,654,005.99/460,187.42
  6. Step 6: Final answer
    x = 210,506.96

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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.