Home / 344,738.40-517,107.60-298,082.40

Finding the Fourth Proportional to 344,738.40, 517,107.60 and 298,082.40

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Solution

The fourth proportional to 344,738.40, 517,107.60 and 298,082.40 is: 447,123.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,738.40 : 517,107.60 = 298,082.40 : x
  2. Step 2: Convert to fraction form
    344,738.40/517,107.60 = 298,082.40/x
  3. Step 3: Cross multiply
    344,738.40x = 517,107.60 × 298,082.40
  4. Step 4: Simplify right side
    344,738.40x = 154,140,674,466.24
  5. Step 5: Solve for x
    x = 154,140,674,466.24/344,738.40
  6. Step 6: Final answer
    x = 447,123.60

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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.