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Finding the Fourth Proportional to 282,713.60, 424,070.40 and 268,889.60

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Solution

The fourth proportional to 282,713.60, 424,070.40 and 268,889.60 is: 403,334.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,713.60 : 424,070.40 = 268,889.60 : x
  2. Step 2: Convert to fraction form
    282,713.60/424,070.40 = 268,889.60/x
  3. Step 3: Cross multiply
    282,713.60x = 424,070.40 × 268,889.60
  4. Step 4: Simplify right side
    282,713.60x = 114,028,120,227.84
  5. Step 5: Solve for x
    x = 114,028,120,227.84/282,713.60
  6. Step 6: Final answer
    x = 403,334.40

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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.