Home / 384,143.35-576,215.03-103,660.15

Finding the Fourth Proportional to 384,143.35, 576,215.03 and 103,660.15

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Solution

The fourth proportional to 384,143.35, 576,215.03 and 103,660.15 is: 155,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,143.35 : 576,215.03 = 103,660.15 : x
  2. Step 2: Convert to fraction form
    384,143.35/576,215.03 = 103,660.15/x
  3. Step 3: Cross multiply
    384,143.35x = 576,215.03 × 103,660.15
  4. Step 4: Simplify right side
    384,143.35x = 59,730,536,442.05
  5. Step 5: Solve for x
    x = 59,730,536,442.05/384,143.35
  6. Step 6: Final answer
    x = 155,490.23

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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.