Home / 245,941.17-339,423.02-143,960.45

Finding the Fourth Proportional to 245,941.17, 339,423.02 and 143,960.45

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Solution

The fourth proportional to 245,941.17, 339,423.02 and 143,960.45 is: 198,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,941.17 : 339,423.02 = 143,960.45 : x
  2. Step 2: Convert to fraction form
    245,941.17/339,423.02 = 143,960.45/x
  3. Step 3: Cross multiply
    245,941.17x = 339,423.02 × 143,960.45
  4. Step 4: Simplify right side
    245,941.17x = 48,863,488,282.64
  5. Step 5: Solve for x
    x = 48,863,488,282.64/245,941.17
  6. Step 6: Final answer
    x = 198,679.58

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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.