Home / 305,274.40-457,981.35-105,594.61

Finding the Fourth Proportional to 305,274.40, 457,981.35 and 105,594.61

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Solution

The fourth proportional to 305,274.40, 457,981.35 and 105,594.61 is: 158,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,274.40 : 457,981.35 = 105,594.61 : x
  2. Step 2: Convert to fraction form
    305,274.40/457,981.35 = 105,594.61/x
  3. Step 3: Cross multiply
    305,274.40x = 457,981.35 × 105,594.61
  4. Step 4: Simplify right side
    305,274.40x = 48,360,359,750.62
  5. Step 5: Solve for x
    x = 48,360,359,750.62/305,274.40
  6. Step 6: Final answer
    x = 158,416.04

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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.