Home / 305,064.46-457,274.06-112,815.35

Finding the Fourth Proportional to 305,064.46, 457,274.06 and 112,815.35

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Solution

The fourth proportional to 305,064.46, 457,274.06 and 112,815.35 is: 169,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,064.46 : 457,274.06 = 112,815.35 : x
  2. Step 2: Convert to fraction form
    305,064.46/457,274.06 = 112,815.35/x
  3. Step 3: Cross multiply
    305,064.46x = 457,274.06 × 112,815.35
  4. Step 4: Simplify right side
    305,064.46x = 51,587,532,560.74
  5. Step 5: Solve for x
    x = 51,587,532,560.74/305,064.46
  6. Step 6: Final answer
    x = 169,103.71

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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.