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Finding the Fourth Proportional to 416,850.17, 575,264.39 and 253,450.49

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Solution

The fourth proportional to 416,850.17, 575,264.39 and 253,450.49 is: 349,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,850.17 : 575,264.39 = 253,450.49 : x
  2. Step 2: Convert to fraction form
    416,850.17/575,264.39 = 253,450.49/x
  3. Step 3: Cross multiply
    416,850.17x = 575,264.39 × 253,450.49
  4. Step 4: Simplify right side
    416,850.17x = 145,801,037,381.48
  5. Step 5: Solve for x
    x = 145,801,037,381.48/416,850.17
  6. Step 6: Final answer
    x = 349,768.45

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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.