Home / 284,300.04-392,323.58-156,972.90

Finding the Fourth Proportional to 284,300.04, 392,323.58 and 156,972.90

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Solution

The fourth proportional to 284,300.04, 392,323.58 and 156,972.90 is: 216,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,300.04 : 392,323.58 = 156,972.90 : x
  2. Step 2: Convert to fraction form
    284,300.04/392,323.58 = 156,972.90/x
  3. Step 3: Cross multiply
    284,300.04x = 392,323.58 × 156,972.90
  4. Step 4: Simplify right side
    284,300.04x = 61,584,170,090.98
  5. Step 5: Solve for x
    x = 61,584,170,090.98/284,300.04
  6. Step 6: Final answer
    x = 216,616.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.