Home / 347,448.20-521,172.30-236,856.20

Finding the Fourth Proportional to 347,448.20, 521,172.30 and 236,856.20

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Solution

The fourth proportional to 347,448.20, 521,172.30 and 236,856.20 is: 355,284.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,448.20 : 521,172.30 = 236,856.20 : x
  2. Step 2: Convert to fraction form
    347,448.20/521,172.30 = 236,856.20/x
  3. Step 3: Cross multiply
    347,448.20x = 521,172.30 × 236,856.20
  4. Step 4: Simplify right side
    347,448.20x = 123,442,890,523.26
  5. Step 5: Solve for x
    x = 123,442,890,523.26/347,448.20
  6. Step 6: Final answer
    x = 355,284.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.