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Finding the Fourth Proportional to 403,356.80, 556,219.80 and 267,343.52

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Solution

The fourth proportional to 403,356.80, 556,219.80 and 267,343.52 is: 368,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,356.80 : 556,219.80 = 267,343.52 : x
  2. Step 2: Convert to fraction form
    403,356.80/556,219.80 = 267,343.52/x
  3. Step 3: Cross multiply
    403,356.80x = 556,219.80 × 267,343.52
  4. Step 4: Simplify right side
    403,356.80x = 148,701,759,225.70
  5. Step 5: Solve for x
    x = 148,701,759,225.70/403,356.80
  6. Step 6: Final answer
    x = 368,660.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.