Home / 363,815.32-545,723.02-139,244.65

Finding the Fourth Proportional to 363,815.32, 545,723.02 and 139,244.65

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Solution

The fourth proportional to 363,815.32, 545,723.02 and 139,244.65 is: 208,866.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,815.32 : 545,723.02 = 139,244.65 : x
  2. Step 2: Convert to fraction form
    363,815.32/545,723.02 = 139,244.65/x
  3. Step 3: Cross multiply
    363,815.32x = 545,723.02 × 139,244.65
  4. Step 4: Simplify right side
    363,815.32x = 75,989,010,916.84
  5. Step 5: Solve for x
    x = 75,989,010,916.84/363,815.32
  6. Step 6: Final answer
    x = 208,866.99

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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.