Home / 345,513.47-476,824.82-202,319.64

Finding the Fourth Proportional to 345,513.47, 476,824.82 and 202,319.64

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Solution

The fourth proportional to 345,513.47, 476,824.82 and 202,319.64 is: 279,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,513.47 : 476,824.82 = 202,319.64 : x
  2. Step 2: Convert to fraction form
    345,513.47/476,824.82 = 202,319.64/x
  3. Step 3: Cross multiply
    345,513.47x = 476,824.82 × 202,319.64
  4. Step 4: Simplify right side
    345,513.47x = 96,471,024,913.87
  5. Step 5: Solve for x
    x = 96,471,024,913.87/345,513.47
  6. Step 6: Final answer
    x = 279,210.61

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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.