Home / 268,510.10-402,419.55-163,217.30

Finding the Fourth Proportional to 268,510.10, 402,419.55 and 163,217.30

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Solution

The fourth proportional to 268,510.10, 402,419.55 and 163,217.30 is: 244,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,510.10 : 402,419.55 = 163,217.30 : x
  2. Step 2: Convert to fraction form
    268,510.10/402,419.55 = 163,217.30/x
  3. Step 3: Cross multiply
    268,510.10x = 402,419.55 × 163,217.30
  4. Step 4: Simplify right side
    268,510.10x = 65,681,832,418.22
  5. Step 5: Solve for x
    x = 65,681,832,418.22/268,510.10
  6. Step 6: Final answer
    x = 244,615.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.