Home / 282,979.32-390,566.91-162,201.49

Finding the Fourth Proportional to 282,979.32, 390,566.91 and 162,201.49

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Solution

The fourth proportional to 282,979.32, 390,566.91 and 162,201.49 is: 223,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,979.32 : 390,566.91 = 162,201.49 : x
  2. Step 2: Convert to fraction form
    282,979.32/390,566.91 = 162,201.49/x
  3. Step 3: Cross multiply
    282,979.32x = 390,566.91 × 162,201.49
  4. Step 4: Simplify right side
    282,979.32x = 63,350,534,378.53
  5. Step 5: Solve for x
    x = 63,350,534,378.53/282,979.32
  6. Step 6: Final answer
    x = 223,869.84

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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.