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Finding the Fourth Proportional to 315,462.46, 435,376.39 and 179,529.47

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Solution

The fourth proportional to 315,462.46, 435,376.39 and 179,529.47 is: 247,772.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,462.46 : 435,376.39 = 179,529.47 : x
  2. Step 2: Convert to fraction form
    315,462.46/435,376.39 = 179,529.47/x
  3. Step 3: Cross multiply
    315,462.46x = 435,376.39 × 179,529.47
  4. Step 4: Simplify right side
    315,462.46x = 78,162,892,547.21
  5. Step 5: Solve for x
    x = 78,162,892,547.21/315,462.46
  6. Step 6: Final answer
    x = 247,772.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.