Home / 253,095.12-379,643.04-75,588.18

Finding the Fourth Proportional to 253,095.12, 379,643.04 and 75,588.18

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Solution

The fourth proportional to 253,095.12, 379,643.04 and 75,588.18 is: 113,382.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,095.12 : 379,643.04 = 75,588.18 : x
  2. Step 2: Convert to fraction form
    253,095.12/379,643.04 = 75,588.18/x
  3. Step 3: Cross multiply
    253,095.12x = 379,643.04 × 75,588.18
  4. Step 4: Simplify right side
    253,095.12x = 28,696,526,443.27
  5. Step 5: Solve for x
    x = 28,696,526,443.27/253,095.12
  6. Step 6: Final answer
    x = 113,382.38

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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.