Home / 340,865.85-510,555.18-281,029.53

Finding the Fourth Proportional to 340,865.85, 510,555.18 and 281,029.53

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Solution

The fourth proportional to 340,865.85, 510,555.18 and 281,029.53 is: 420,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,865.85 : 510,555.18 = 281,029.53 : x
  2. Step 2: Convert to fraction form
    340,865.85/510,555.18 = 281,029.53/x
  3. Step 3: Cross multiply
    340,865.85x = 510,555.18 × 281,029.53
  4. Step 4: Simplify right side
    340,865.85x = 143,481,082,274.47
  5. Step 5: Solve for x
    x = 143,481,082,274.47/340,865.85
  6. Step 6: Final answer
    x = 420,931.23

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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.