Home / 460,083.90-690,147.45-144,551.10

Finding the Fourth Proportional to 460,083.90, 690,147.45 and 144,551.10

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Solution

The fourth proportional to 460,083.90, 690,147.45 and 144,551.10 is: 216,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,083.90 : 690,147.45 = 144,551.10 : x
  2. Step 2: Convert to fraction form
    460,083.90/690,147.45 = 144,551.10/x
  3. Step 3: Cross multiply
    460,083.90x = 690,147.45 × 144,551.10
  4. Step 4: Simplify right side
    460,083.90x = 99,761,573,059.70
  5. Step 5: Solve for x
    x = 99,761,573,059.70/460,083.90
  6. Step 6: Final answer
    x = 216,833.44

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1.5x scale

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.