Home / 345,835.28-477,289.38-202,715.57

Finding the Fourth Proportional to 345,835.28, 477,289.38 and 202,715.57

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Solution

The fourth proportional to 345,835.28, 477,289.38 and 202,715.57 is: 279,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,835.28 : 477,289.38 = 202,715.57 : x
  2. Step 2: Convert to fraction form
    345,835.28/477,289.38 = 202,715.57/x
  3. Step 3: Cross multiply
    345,835.28x = 477,289.38 × 202,715.57
  4. Step 4: Simplify right side
    345,835.28x = 96,753,988,721.65
  5. Step 5: Solve for x
    x = 96,753,988,721.65/345,835.28
  6. Step 6: Final answer
    x = 279,769.00

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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.