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Finding the Fourth Proportional to 452,555.33, 624,530.34 and 248,610.78

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Solution

The fourth proportional to 452,555.33, 624,530.34 and 248,610.78 is: 343,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,555.33 : 624,530.34 = 248,610.78 : x
  2. Step 2: Convert to fraction form
    452,555.33/624,530.34 = 248,610.78/x
  3. Step 3: Cross multiply
    452,555.33x = 624,530.34 × 248,610.78
  4. Step 4: Simplify right side
    452,555.33x = 155,264,974,961.07
  5. Step 5: Solve for x
    x = 155,264,974,961.07/452,555.33
  6. Step 6: Final answer
    x = 343,085.07

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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.