Home / 349,257.79-523,448.34-149,343.04

Finding the Fourth Proportional to 349,257.79, 523,448.34 and 149,343.04

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Solution

The fourth proportional to 349,257.79, 523,448.34 and 149,343.04 is: 223,827.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,257.79 : 523,448.34 = 149,343.04 : x
  2. Step 2: Convert to fraction form
    349,257.79/523,448.34 = 149,343.04/x
  3. Step 3: Cross multiply
    349,257.79x = 523,448.34 × 149,343.04
  4. Step 4: Simplify right side
    349,257.79x = 78,173,366,378.55
  5. Step 5: Solve for x
    x = 78,173,366,378.55/349,257.79
  6. Step 6: Final answer
    x = 223,827.12

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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.