Home / 284,474.12-392,585.55-163,615.26

Finding the Fourth Proportional to 284,474.12, 392,585.55 and 163,615.26

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Solution

The fourth proportional to 284,474.12, 392,585.55 and 163,615.26 is: 225,795.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,474.12 : 392,585.55 = 163,615.26 : x
  2. Step 2: Convert to fraction form
    284,474.12/392,585.55 = 163,615.26/x
  3. Step 3: Cross multiply
    284,474.12x = 392,585.55 × 163,615.26
  4. Step 4: Simplify right side
    284,474.12x = 64,232,986,835.49
  5. Step 5: Solve for x
    x = 64,232,986,835.49/284,474.12
  6. Step 6: Final answer
    x = 225,795.54

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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.