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Finding the Fourth Proportional to 452,279.12, 624,152.97 and 248,338.64

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Solution

The fourth proportional to 452,279.12, 624,152.97 and 248,338.64 is: 342,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,279.12 : 624,152.97 = 248,338.64 : x
  2. Step 2: Convert to fraction form
    452,279.12/624,152.97 = 248,338.64/x
  3. Step 3: Cross multiply
    452,279.12x = 624,152.97 × 248,338.64
  4. Step 4: Simplify right side
    452,279.12x = 155,001,296,601.00
  5. Step 5: Solve for x
    x = 155,001,296,601.00/452,279.12
  6. Step 6: Final answer
    x = 342,711.59

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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.