Home / 305,035.60-457,614.36-105,363.28

Finding the Fourth Proportional to 305,035.60, 457,614.36 and 105,363.28

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Solution

The fourth proportional to 305,035.60, 457,614.36 and 105,363.28 is: 158,065.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,035.60 : 457,614.36 = 105,363.28 : x
  2. Step 2: Convert to fraction form
    305,035.60/457,614.36 = 105,363.28/x
  3. Step 3: Cross multiply
    305,035.60x = 457,614.36 × 105,363.28
  4. Step 4: Simplify right side
    305,035.60x = 48,215,749,944.70
  5. Step 5: Solve for x
    x = 48,215,749,944.70/305,035.60
  6. Step 6: Final answer
    x = 158,065.98

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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.