Home / 284,478.96-392,592.24-163,620.10

Finding the Fourth Proportional to 284,478.96, 392,592.24 and 163,620.10

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Solution

The fourth proportional to 284,478.96, 392,592.24 and 163,620.10 is: 225,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,478.96 : 392,592.24 = 163,620.10 : x
  2. Step 2: Convert to fraction form
    284,478.96/392,592.24 = 163,620.10/x
  3. Step 3: Cross multiply
    284,478.96x = 392,592.24 × 163,620.10
  4. Step 4: Simplify right side
    284,478.96x = 64,235,982,518.95
  5. Step 5: Solve for x
    x = 64,235,982,518.95/284,478.96
  6. Step 6: Final answer
    x = 225,802.23

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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.