Home / 268,350.30-402,585.93-90,847.26

Finding the Fourth Proportional to 268,350.30, 402,585.93 and 90,847.26

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Solution

The fourth proportional to 268,350.30, 402,585.93 and 90,847.26 is: 136,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,350.30 : 402,585.93 = 90,847.26 : x
  2. Step 2: Convert to fraction form
    268,350.30/402,585.93 = 90,847.26/x
  3. Step 3: Cross multiply
    268,350.30x = 402,585.93 × 90,847.26
  4. Step 4: Simplify right side
    268,350.30x = 36,573,828,655.05
  5. Step 5: Solve for x
    x = 36,573,828,655.05/268,350.30
  6. Step 6: Final answer
    x = 136,291.36

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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.