Home / 460,136.82-690,274.89-144,564.06

Finding the Fourth Proportional to 460,136.82, 690,274.89 and 144,564.06

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Solution

The fourth proportional to 460,136.82, 690,274.89 and 144,564.06 is: 216,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,136.82 : 690,274.89 = 144,564.06 : x
  2. Step 2: Convert to fraction form
    460,136.82/690,274.89 = 144,564.06/x
  3. Step 3: Cross multiply
    460,136.82x = 690,274.89 × 144,564.06
  4. Step 4: Simplify right side
    460,136.82x = 99,788,940,614.45
  5. Step 5: Solve for x
    x = 99,788,940,614.45/460,136.82
  6. Step 6: Final answer
    x = 216,867.98

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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.