Home / 288,868.64-433,040.52-131,010.98

Finding the Fourth Proportional to 288,868.64, 433,040.52 and 131,010.98

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Solution

The fourth proportional to 288,868.64, 433,040.52 and 131,010.98 is: 196,397.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,868.64 : 433,040.52 = 131,010.98 : x
  2. Step 2: Convert to fraction form
    288,868.64/433,040.52 = 131,010.98/x
  3. Step 3: Cross multiply
    288,868.64x = 433,040.52 × 131,010.98
  4. Step 4: Simplify right side
    288,868.64x = 56,733,062,904.91
  5. Step 5: Solve for x
    x = 56,733,062,904.91/288,868.64
  6. Step 6: Final answer
    x = 196,397.45

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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.