Home / 284,589.96-392,749.26-163,749.60

Finding the Fourth Proportional to 284,589.96, 392,749.26 and 163,749.60

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Solution

The fourth proportional to 284,589.96, 392,749.26 and 163,749.60 is: 225,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,589.96 : 392,749.26 = 163,749.60 : x
  2. Step 2: Convert to fraction form
    284,589.96/392,749.26 = 163,749.60/x
  3. Step 3: Cross multiply
    284,589.96x = 392,749.26 × 163,749.60
  4. Step 4: Simplify right side
    284,589.96x = 64,312,533,611.24
  5. Step 5: Solve for x
    x = 64,312,533,611.24/284,589.96
  6. Step 6: Final answer
    x = 225,983.15

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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.