Home / 268,930.60-402,521.10-209,444.20

Finding the Fourth Proportional to 268,930.60, 402,521.10 and 209,444.20

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Solution

The fourth proportional to 268,930.60, 402,521.10 and 209,444.20 is: 313,485.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,930.60 : 402,521.10 = 209,444.20 : x
  2. Step 2: Convert to fraction form
    268,930.60/402,521.10 = 209,444.20/x
  3. Step 3: Cross multiply
    268,930.60x = 402,521.10 × 209,444.20
  4. Step 4: Simplify right side
    268,930.60x = 84,305,709,772.62
  5. Step 5: Solve for x
    x = 84,305,709,772.62/268,930.60
  6. Step 6: Final answer
    x = 313,485.00

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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.