Home / 284,119.60-392,152.04-163,330.96

Finding the Fourth Proportional to 284,119.60, 392,152.04 and 163,330.96

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Solution

The fourth proportional to 284,119.60, 392,152.04 and 163,330.96 is: 225,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,119.60 : 392,152.04 = 163,330.96 : x
  2. Step 2: Convert to fraction form
    284,119.60/392,152.04 = 163,330.96/x
  3. Step 3: Cross multiply
    284,119.60x = 392,152.04 × 163,330.96
  4. Step 4: Simplify right side
    284,119.60x = 64,050,569,159.16
  5. Step 5: Solve for x
    x = 64,050,569,159.16/284,119.60
  6. Step 6: Final answer
    x = 225,435.24

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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.