Home / 284,445.36-392,546.52-163,586.75

Finding the Fourth Proportional to 284,445.36, 392,546.52 and 163,586.75

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Solution

The fourth proportional to 284,445.36, 392,546.52 and 163,586.75 is: 225,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,445.36 : 392,546.52 = 163,586.75 : x
  2. Step 2: Convert to fraction form
    284,445.36/392,546.52 = 163,586.75/x
  3. Step 3: Cross multiply
    284,445.36x = 392,546.52 × 163,586.75
  4. Step 4: Simplify right side
    284,445.36x = 64,215,407,467.88
  5. Step 5: Solve for x
    x = 64,215,407,467.88/284,445.36
  6. Step 6: Final answer
    x = 225,756.57

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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.