Home / 386,296.46-579,527.73-130,154.49

Finding the Fourth Proportional to 386,296.46, 579,527.73 and 130,154.49

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Solution

The fourth proportional to 386,296.46, 579,527.73 and 130,154.49 is: 195,259.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,296.46 : 579,527.73 = 130,154.49 : x
  2. Step 2: Convert to fraction form
    386,296.46/579,527.73 = 130,154.49/x
  3. Step 3: Cross multiply
    386,296.46x = 579,527.73 × 130,154.49
  4. Step 4: Simplify right side
    386,296.46x = 75,428,136,139.01
  5. Step 5: Solve for x
    x = 75,428,136,139.01/386,296.46
  6. Step 6: Final answer
    x = 195,259.71

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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.