Home / 345,769.90-477,209.27-202,587.01

Finding the Fourth Proportional to 345,769.90, 477,209.27 and 202,587.01

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Solution

The fourth proportional to 345,769.90, 477,209.27 and 202,587.01 is: 279,597.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,769.90 : 477,209.27 = 202,587.01 : x
  2. Step 2: Convert to fraction form
    345,769.90/477,209.27 = 202,587.01/x
  3. Step 3: Cross multiply
    345,769.90x = 477,209.27 × 202,587.01
  4. Step 4: Simplify right side
    345,769.90x = 96,676,399,198.26
  5. Step 5: Solve for x
    x = 96,676,399,198.26/345,769.90
  6. Step 6: Final answer
    x = 279,597.50

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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.