Home / 295,314.10-442,955.67-84,943.78

Finding the Fourth Proportional to 295,314.10, 442,955.67 and 84,943.78

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Solution

The fourth proportional to 295,314.10, 442,955.67 and 84,943.78 is: 127,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,314.10 : 442,955.67 = 84,943.78 : x
  2. Step 2: Convert to fraction form
    295,314.10/442,955.67 = 84,943.78/x
  3. Step 3: Cross multiply
    295,314.10x = 442,955.67 × 84,943.78
  4. Step 4: Simplify right side
    295,314.10x = 37,626,328,982.23
  5. Step 5: Solve for x
    x = 37,626,328,982.23/295,314.10
  6. Step 6: Final answer
    x = 127,411.22

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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.