Home / 268,972.40-403,458.60-255,148.40

Finding the Fourth Proportional to 268,972.40, 403,458.60 and 255,148.40

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Solution

The fourth proportional to 268,972.40, 403,458.60 and 255,148.40 is: 382,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,972.40 : 403,458.60 = 255,148.40 : x
  2. Step 2: Convert to fraction form
    268,972.40/403,458.60 = 255,148.40/x
  3. Step 3: Cross multiply
    268,972.40x = 403,458.60 × 255,148.40
  4. Step 4: Simplify right side
    268,972.40x = 102,941,816,256.24
  5. Step 5: Solve for x
    x = 102,941,816,256.24/268,972.40
  6. Step 6: Final answer
    x = 382,722.60

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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.