Home / 345,963.16-477,418.26-202,818.52

Finding the Fourth Proportional to 345,963.16, 477,418.26 and 202,818.52

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Solution

The fourth proportional to 345,963.16, 477,418.26 and 202,818.52 is: 279,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,963.16 : 477,418.26 = 202,818.52 : x
  2. Step 2: Convert to fraction form
    345,963.16/477,418.26 = 202,818.52/x
  3. Step 3: Cross multiply
    345,963.16x = 477,418.26 × 202,818.52
  4. Step 4: Simplify right side
    345,963.16x = 96,829,264,914.18
  5. Step 5: Solve for x
    x = 96,829,264,914.18/345,963.16
  6. Step 6: Final answer
    x = 279,883.17

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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.