Home / 362,041.28-542,946.72-151,640

Finding the Fourth Proportional to 362,041.28, 542,946.72 and 151,640

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Solution

The fourth proportional to 362,041.28, 542,946.72 and 151,640 is: 227,411.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,041.28 : 542,946.72 = 151,640 : x
  2. Step 2: Convert to fraction form
    362,041.28/542,946.72 = 151,640/x
  3. Step 3: Cross multiply
    362,041.28x = 542,946.72 × 151,640
  4. Step 4: Simplify right side
    362,041.28x = 82,332,440,620.80
  5. Step 5: Solve for x
    x = 82,332,440,620.80/362,041.28
  6. Step 6: Final answer
    x = 227,411.75

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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.