Home / 231,748.88-345,885.84-216,615.24

Finding the Fourth Proportional to 231,748.88, 345,885.84 and 216,615.24

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Solution

The fourth proportional to 231,748.88, 345,885.84 and 216,615.24 is: 323,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,748.88 : 345,885.84 = 216,615.24 : x
  2. Step 2: Convert to fraction form
    231,748.88/345,885.84 = 216,615.24/x
  3. Step 3: Cross multiply
    231,748.88x = 345,885.84 × 216,615.24
  4. Step 4: Simplify right side
    231,748.88x = 74,924,144,244.20
  5. Step 5: Solve for x
    x = 74,924,144,244.20/231,748.88
  6. Step 6: Final answer
    x = 323,298.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.