Home / 284,100.18-392,080.41-163,283.64

Finding the Fourth Proportional to 284,100.18, 392,080.41 and 163,283.64

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Solution

The fourth proportional to 284,100.18, 392,080.41 and 163,283.64 is: 225,344.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,100.18 : 392,080.41 = 163,283.64 : x
  2. Step 2: Convert to fraction form
    284,100.18/392,080.41 = 163,283.64/x
  3. Step 3: Cross multiply
    284,100.18x = 392,080.41 × 163,283.64
  4. Step 4: Simplify right side
    284,100.18x = 64,020,316,517.49
  5. Step 5: Solve for x
    x = 64,020,316,517.49/284,100.18
  6. Step 6: Final answer
    x = 225,344.16

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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.