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Finding the Fourth Proportional to 452,084.88, 623,885.05 and 248,154.88

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Solution

The fourth proportional to 452,084.88, 623,885.05 and 248,154.88 is: 342,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,084.88 : 623,885.05 = 248,154.88 : x
  2. Step 2: Convert to fraction form
    452,084.88/623,885.05 = 248,154.88/x
  3. Step 3: Cross multiply
    452,084.88x = 623,885.05 × 248,154.88
  4. Step 4: Simplify right side
    452,084.88x = 154,820,119,716.54
  5. Step 5: Solve for x
    x = 154,820,119,716.54/452,084.88
  6. Step 6: Final answer
    x = 342,458.08

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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.