Home / 305,946.24-458,642.88-108,908.16

Finding the Fourth Proportional to 305,946.24, 458,642.88 and 108,908.16

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Solution

The fourth proportional to 305,946.24, 458,642.88 and 108,908.16 is: 163,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,946.24 : 458,642.88 = 108,908.16 : x
  2. Step 2: Convert to fraction form
    305,946.24/458,642.88 = 108,908.16/x
  3. Step 3: Cross multiply
    305,946.24x = 458,642.88 × 108,908.16
  4. Step 4: Simplify right side
    305,946.24x = 49,949,952,157.90
  5. Step 5: Solve for x
    x = 49,949,952,157.90/305,946.24
  6. Step 6: Final answer
    x = 163,263.82

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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.