Home / 268,005.24-402,009.48-90,513.18

Finding the Fourth Proportional to 268,005.24, 402,009.48 and 90,513.18

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Solution

The fourth proportional to 268,005.24, 402,009.48 and 90,513.18 is: 135,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,005.24 : 402,009.48 = 90,513.18 : x
  2. Step 2: Convert to fraction form
    268,005.24/402,009.48 = 90,513.18/x
  3. Step 3: Cross multiply
    268,005.24x = 402,009.48 × 90,513.18
  4. Step 4: Simplify right side
    268,005.24x = 36,387,156,424.95
  5. Step 5: Solve for x
    x = 36,387,156,424.95/268,005.24
  6. Step 6: Final answer
    x = 135,770.32

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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.