Home / 288,885.69-433,382.81-131,125.23

Finding the Fourth Proportional to 288,885.69, 433,382.81 and 131,125.23

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Solution

The fourth proportional to 288,885.69, 433,382.81 and 131,125.23 is: 196,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,885.69 : 433,382.81 = 131,125.23 : x
  2. Step 2: Convert to fraction form
    288,885.69/433,382.81 = 131,125.23/x
  3. Step 3: Cross multiply
    288,885.69x = 433,382.81 × 131,125.23
  4. Step 4: Simplify right side
    288,885.69x = 56,827,419,983.67
  5. Step 5: Solve for x
    x = 56,827,419,983.67/288,885.69
  6. Step 6: Final answer
    x = 196,712.48

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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.