Home / 288,931.43-433,416.16-75,704.56

Finding the Fourth Proportional to 288,931.43, 433,416.16 and 75,704.56

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Solution

The fourth proportional to 288,931.43, 433,416.16 and 75,704.56 is: 113,561.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,931.43 : 433,416.16 = 75,704.56 : x
  2. Step 2: Convert to fraction form
    288,931.43/433,416.16 = 75,704.56/x
  3. Step 3: Cross multiply
    288,931.43x = 433,416.16 × 75,704.56
  4. Step 4: Simplify right side
    288,931.43x = 32,811,578,416.89
  5. Step 5: Solve for x
    x = 32,811,578,416.89/288,931.43
  6. Step 6: Final answer
    x = 113,561.82

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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.