Home / 282,944.20-390,332.10-169,570.12

Finding the Fourth Proportional to 282,944.20, 390,332.10 and 169,570.12

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Solution

The fourth proportional to 282,944.20, 390,332.10 and 169,570.12 is: 233,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,944.20 : 390,332.10 = 169,570.12 : x
  2. Step 2: Convert to fraction form
    282,944.20/390,332.10 = 169,570.12/x
  3. Step 3: Cross multiply
    282,944.20x = 390,332.10 × 169,570.12
  4. Step 4: Simplify right side
    282,944.20x = 66,188,661,036.85
  5. Step 5: Solve for x
    x = 66,188,661,036.85/282,944.20
  6. Step 6: Final answer
    x = 233,928.32

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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.