Home / 383,932.90-575,068.29-278,519.50

Finding the Fourth Proportional to 383,932.90, 575,068.29 and 278,519.50

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Solution

The fourth proportional to 383,932.90, 575,068.29 and 278,519.50 is: 417,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,932.90 : 575,068.29 = 278,519.50 : x
  2. Step 2: Convert to fraction form
    383,932.90/575,068.29 = 278,519.50/x
  3. Step 3: Cross multiply
    383,932.90x = 575,068.29 × 278,519.50
  4. Step 4: Simplify right side
    383,932.90x = 160,167,732,596.66
  5. Step 5: Solve for x
    x = 160,167,732,596.66/383,932.90
  6. Step 6: Final answer
    x = 417,176.37

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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.