Home / 460,186.20-690,302.70-144,646.20

Finding the Fourth Proportional to 460,186.20, 690,302.70 and 144,646.20

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Solution

The fourth proportional to 460,186.20, 690,302.70 and 144,646.20 is: 216,976.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,186.20 : 690,302.70 = 144,646.20 : x
  2. Step 2: Convert to fraction form
    460,186.20/690,302.70 = 144,646.20/x
  3. Step 3: Cross multiply
    460,186.20x = 690,302.70 × 144,646.20
  4. Step 4: Simplify right side
    460,186.20x = 99,849,662,404.74
  5. Step 5: Solve for x
    x = 99,849,662,404.74/460,186.20
  6. Step 6: Final answer
    x = 216,976.66

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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.