Home / 305,529.12-458,184.32-105,795.88

Finding the Fourth Proportional to 305,529.12, 458,184.32 and 105,795.88

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Solution

The fourth proportional to 305,529.12, 458,184.32 and 105,795.88 is: 158,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,529.12 : 458,184.32 = 105,795.88 : x
  2. Step 2: Convert to fraction form
    305,529.12/458,184.32 = 105,795.88/x
  3. Step 3: Cross multiply
    305,529.12x = 458,184.32 × 105,795.88
  4. Step 4: Simplify right side
    305,529.12x = 48,474,013,336.60
  5. Step 5: Solve for x
    x = 48,474,013,336.60/305,529.12
  6. Step 6: Final answer
    x = 158,655.95

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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.