Home / 282,567.38-390,000.28-173,622.10

Finding the Fourth Proportional to 282,567.38, 390,000.28 and 173,622.10

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Solution

The fourth proportional to 282,567.38, 390,000.28 and 173,622.10 is: 239,633.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,567.38 : 390,000.28 = 173,622.10 : x
  2. Step 2: Convert to fraction form
    282,567.38/390,000.28 = 173,622.10/x
  3. Step 3: Cross multiply
    282,567.38x = 390,000.28 × 173,622.10
  4. Step 4: Simplify right side
    282,567.38x = 67,712,667,614.19
  5. Step 5: Solve for x
    x = 67,712,667,614.19/282,567.38
  6. Step 6: Final answer
    x = 239,633.70

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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.