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Finding the Fourth Proportional to 458,683.06, 633,003.65 and 254,734.91

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Solution

The fourth proportional to 458,683.06, 633,003.65 and 254,734.91 is: 351,545.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,683.06 : 633,003.65 = 254,734.91 : x
  2. Step 2: Convert to fraction form
    458,683.06/633,003.65 = 254,734.91/x
  3. Step 3: Cross multiply
    458,683.06x = 633,003.65 × 254,734.91
  4. Step 4: Simplify right side
    458,683.06x = 161,248,128,121.26
  5. Step 5: Solve for x
    x = 161,248,128,121.26/458,683.06
  6. Step 6: Final answer
    x = 351,545.86

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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.