Home / 282,945.20-390,333.48-169,571.12

Finding the Fourth Proportional to 282,945.20, 390,333.48 and 169,571.12

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Solution

The fourth proportional to 282,945.20, 390,333.48 and 169,571.12 is: 233,929.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,945.20 : 390,333.48 = 169,571.12 : x
  2. Step 2: Convert to fraction form
    282,945.20/390,333.48 = 169,571.12/x
  3. Step 3: Cross multiply
    282,945.20x = 390,333.48 × 169,571.12
  4. Step 4: Simplify right side
    282,945.20x = 66,189,285,377.10
  5. Step 5: Solve for x
    x = 66,189,285,377.10/282,945.20
  6. Step 6: Final answer
    x = 233,929.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.