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Finding the Fourth Proportional to 301,436.60, 452,154.90 and 284,233.40

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Solution

The fourth proportional to 301,436.60, 452,154.90 and 284,233.40 is: 426,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,436.60 : 452,154.90 = 284,233.40 : x
  2. Step 2: Convert to fraction form
    301,436.60/452,154.90 = 284,233.40/x
  3. Step 3: Cross multiply
    301,436.60x = 452,154.90 × 284,233.40
  4. Step 4: Simplify right side
    301,436.60x = 128,517,524,553.66
  5. Step 5: Solve for x
    x = 128,517,524,553.66/301,436.60
  6. Step 6: Final answer
    x = 426,350.10

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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.