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Finding the Fourth Proportional to 284,366.88, 426,812.72 and 144,223.92

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Solution

The fourth proportional to 284,366.88, 426,812.72 and 144,223.92 is: 216,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,366.88 : 426,812.72 = 144,223.92 : x
  2. Step 2: Convert to fraction form
    284,366.88/426,812.72 = 144,223.92/x
  3. Step 3: Cross multiply
    284,366.88x = 426,812.72 × 144,223.92
  4. Step 4: Simplify right side
    284,366.88x = 61,556,603,584.26
  5. Step 5: Solve for x
    x = 61,556,603,584.26/284,366.88
  6. Step 6: Final answer
    x = 216,468.96

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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.