Home / 349,328.32-482,059.20-198,408.64

Finding the Fourth Proportional to 349,328.32, 482,059.20 and 198,408.64

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Solution

The fourth proportional to 349,328.32, 482,059.20 and 198,408.64 is: 273,796.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,328.32 : 482,059.20 = 198,408.64 : x
  2. Step 2: Convert to fraction form
    349,328.32/482,059.20 = 198,408.64/x
  3. Step 3: Cross multiply
    349,328.32x = 482,059.20 × 198,408.64
  4. Step 4: Simplify right side
    349,328.32x = 95,644,710,271.49
  5. Step 5: Solve for x
    x = 95,644,710,271.49/349,328.32
  6. Step 6: Final answer
    x = 273,796.04

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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.