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Finding the Fourth Proportional to 301,017.79, 451,525.78 and 76,377.79

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Solution

The fourth proportional to 301,017.79, 451,525.78 and 76,377.79 is: 114,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,017.79 : 451,525.78 = 76,377.79 : x
  2. Step 2: Convert to fraction form
    301,017.79/451,525.78 = 76,377.79/x
  3. Step 3: Cross multiply
    301,017.79x = 451,525.78 × 76,377.79
  4. Step 4: Simplify right side
    301,017.79x = 34,486,540,171.08
  5. Step 5: Solve for x
    x = 34,486,540,171.08/301,017.79
  6. Step 6: Final answer
    x = 114,566.45

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1.5x scale

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.