Home / 382,950.90-574,382.58-102,490.02

Finding the Fourth Proportional to 382,950.90, 574,382.58 and 102,490.02

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Solution

The fourth proportional to 382,950.90, 574,382.58 and 102,490.02 is: 153,723.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,950.90 : 574,382.58 = 102,490.02 : x
  2. Step 2: Convert to fraction form
    382,950.90/574,382.58 = 102,490.02/x
  3. Step 3: Cross multiply
    382,950.90x = 574,382.58 × 102,490.02
  4. Step 4: Simplify right side
    382,950.90x = 58,868,482,111.85
  5. Step 5: Solve for x
    x = 58,868,482,111.85/382,950.90
  6. Step 6: Final answer
    x = 153,723.32

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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.