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Finding the Fourth Proportional to 282,612.94, 424,279.12 and 183,189.18

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Solution

The fourth proportional to 282,612.94, 424,279.12 and 183,189.18 is: 275,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,612.94 : 424,279.12 = 183,189.18 : x
  2. Step 2: Convert to fraction form
    282,612.94/424,279.12 = 183,189.18/x
  3. Step 3: Cross multiply
    282,612.94x = 424,279.12 × 183,189.18
  4. Step 4: Simplify right side
    282,612.94x = 77,723,344,083.92
  5. Step 5: Solve for x
    x = 77,723,344,083.92/282,612.94
  6. Step 6: Final answer
    x = 275,016.93

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1.5x scale

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.