Home / 460,127.20-690,214.20-144,587.20

Finding the Fourth Proportional to 460,127.20, 690,214.20 and 144,587.20

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Solution

The fourth proportional to 460,127.20, 690,214.20 and 144,587.20 is: 216,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,127.20 : 690,214.20 = 144,587.20 : x
  2. Step 2: Convert to fraction form
    460,127.20/690,214.20 = 144,587.20/x
  3. Step 3: Cross multiply
    460,127.20x = 690,214.20 × 144,587.20
  4. Step 4: Simplify right side
    460,127.20x = 99,796,138,578.24
  5. Step 5: Solve for x
    x = 99,796,138,578.24/460,127.20
  6. Step 6: Final answer
    x = 216,888.15

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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.