Home / 288,255.68-432,393.24-77,895.44

Finding the Fourth Proportional to 288,255.68, 432,393.24 and 77,895.44

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Solution

The fourth proportional to 288,255.68, 432,393.24 and 77,895.44 is: 116,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,255.68 : 432,393.24 = 77,895.44 : x
  2. Step 2: Convert to fraction form
    288,255.68/432,393.24 = 77,895.44/x
  3. Step 3: Cross multiply
    288,255.68x = 432,393.24 × 77,895.44
  4. Step 4: Simplify right side
    288,255.68x = 33,681,461,682.83
  5. Step 5: Solve for x
    x = 33,681,461,682.83/288,255.68
  6. Step 6: Final answer
    x = 116,845.79

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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.