Home / 231,288.94-346,307.01-120,247.66

Finding the Fourth Proportional to 231,288.94, 346,307.01 and 120,247.66

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Solution

The fourth proportional to 231,288.94, 346,307.01 and 120,247.66 is: 180,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,288.94 : 346,307.01 = 120,247.66 : x
  2. Step 2: Convert to fraction form
    231,288.94/346,307.01 = 120,247.66/x
  3. Step 3: Cross multiply
    231,288.94x = 346,307.01 × 120,247.66
  4. Step 4: Simplify right side
    231,288.94x = 41,642,607,594.10
  5. Step 5: Solve for x
    x = 41,642,607,594.10/231,288.94
  6. Step 6: Final answer
    x = 180,045.82

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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.