Home / 384,139.12-576,230.28-103,678.24

Finding the Fourth Proportional to 384,139.12, 576,230.28 and 103,678.24

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Solution

The fourth proportional to 384,139.12, 576,230.28 and 103,678.24 is: 155,523.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,139.12 : 576,230.28 = 103,678.24 : x
  2. Step 2: Convert to fraction form
    384,139.12/576,230.28 = 103,678.24/x
  3. Step 3: Cross multiply
    384,139.12x = 576,230.28 × 103,678.24
  4. Step 4: Simplify right side
    384,139.12x = 59,742,541,265.11
  5. Step 5: Solve for x
    x = 59,742,541,265.11/384,139.12
  6. Step 6: Final answer
    x = 155,523.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.