Home / 288,895.69-433,397.82-131,135.23

Finding the Fourth Proportional to 288,895.69, 433,397.82 and 131,135.23

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Solution

The fourth proportional to 288,895.69, 433,397.82 and 131,135.23 is: 196,727.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,895.69 : 433,397.82 = 131,135.23 : x
  2. Step 2: Convert to fraction form
    288,895.69/433,397.82 = 131,135.23/x
  3. Step 3: Cross multiply
    288,895.69x = 433,397.82 × 131,135.23
  4. Step 4: Simplify right side
    288,895.69x = 56,833,722,807.20
  5. Step 5: Solve for x
    x = 56,833,722,807.20/288,895.69
  6. Step 6: Final answer
    x = 196,727.49

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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.