Home / 282,877.29-390,370.12-162,057.69

Finding the Fourth Proportional to 282,877.29, 390,370.12 and 162,057.69

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Solution

The fourth proportional to 282,877.29, 390,370.12 and 162,057.69 is: 223,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,877.29 : 390,370.12 = 162,057.69 : x
  2. Step 2: Convert to fraction form
    282,877.29/390,370.12 = 162,057.69/x
  3. Step 3: Cross multiply
    282,877.29x = 390,370.12 × 162,057.69
  4. Step 4: Simplify right side
    282,877.29x = 63,262,479,892.22
  5. Step 5: Solve for x
    x = 63,262,479,892.22/282,877.29
  6. Step 6: Final answer
    x = 223,639.30

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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.