Home / 301,277.12-451,913.72-76,635.63

Finding the Fourth Proportional to 301,277.12, 451,913.72 and 76,635.63

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Solution

The fourth proportional to 301,277.12, 451,913.72 and 76,635.63 is: 114,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,277.12 : 451,913.72 = 76,635.63 : x
  2. Step 2: Convert to fraction form
    301,277.12/451,913.72 = 76,635.63/x
  3. Step 3: Cross multiply
    301,277.12x = 451,913.72 × 76,635.63
  4. Step 4: Simplify right side
    301,277.12x = 34,632,692,254.67
  5. Step 5: Solve for x
    x = 34,632,692,254.67/301,277.12
  6. Step 6: Final answer
    x = 114,952.95

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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.