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Finding the Fourth Proportional to 482,683.54, 665,931.03 and 301,326.61

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Solution

The fourth proportional to 482,683.54, 665,931.03 and 301,326.61 is: 415,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,683.54 : 665,931.03 = 301,326.61 : x
  2. Step 2: Convert to fraction form
    482,683.54/665,931.03 = 301,326.61/x
  3. Step 3: Cross multiply
    482,683.54x = 665,931.03 × 301,326.61
  4. Step 4: Simplify right side
    482,683.54x = 200,662,739,763.71
  5. Step 5: Solve for x
    x = 200,662,739,763.71/482,683.54
  6. Step 6: Final answer
    x = 415,723.19

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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.