Home / 384,365.32-576,578.70-135,103.24

Finding the Fourth Proportional to 384,365.32, 576,578.70 and 135,103.24

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Solution

The fourth proportional to 384,365.32, 576,578.70 and 135,103.24 is: 202,665.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,365.32 : 576,578.70 = 135,103.24 : x
  2. Step 2: Convert to fraction form
    384,365.32/576,578.70 = 135,103.24/x
  3. Step 3: Cross multiply
    384,365.32x = 576,578.70 × 135,103.24
  4. Step 4: Simplify right side
    384,365.32x = 77,897,650,484.99
  5. Step 5: Solve for x
    x = 77,897,650,484.99/384,365.32
  6. Step 6: Final answer
    x = 202,665.66

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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.