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Finding the Fourth Proportional to 452,106.24, 623,894.28 and 248,156.88

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Solution

The fourth proportional to 452,106.24, 623,894.28 and 248,156.88 is: 342,449.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,106.24 : 623,894.28 = 248,156.88 : x
  2. Step 2: Convert to fraction form
    452,106.24/623,894.28 = 248,156.88/x
  3. Step 3: Cross multiply
    452,106.24x = 623,894.28 × 248,156.88
  4. Step 4: Simplify right side
    452,106.24x = 154,823,657,974.65
  5. Step 5: Solve for x
    x = 154,823,657,974.65/452,106.24
  6. Step 6: Final answer
    x = 342,449.73

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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.