Home / 268,215.80-402,582.90-135,246.20

Finding the Fourth Proportional to 268,215.80, 402,582.90 and 135,246.20

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Solution

The fourth proportional to 268,215.80, 402,582.90 and 135,246.20 is: 203,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,215.80 : 402,582.90 = 135,246.20 : x
  2. Step 2: Convert to fraction form
    268,215.80/402,582.90 = 135,246.20/x
  3. Step 3: Cross multiply
    268,215.80x = 402,582.90 × 135,246.20
  4. Step 4: Simplify right side
    268,215.80x = 54,447,807,409.98
  5. Step 5: Solve for x
    x = 54,447,807,409.98/268,215.80
  6. Step 6: Final answer
    x = 203,000.00

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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.