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Finding the Fourth Proportional to 458,018.54, 632,141.20 and 254,135.06

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Solution

The fourth proportional to 458,018.54, 632,141.20 and 254,135.06 is: 350,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,018.54 : 632,141.20 = 254,135.06 : x
  2. Step 2: Convert to fraction form
    458,018.54/632,141.20 = 254,135.06/x
  3. Step 3: Cross multiply
    458,018.54x = 632,141.20 × 254,135.06
  4. Step 4: Simplify right side
    458,018.54x = 160,649,241,790.47
  5. Step 5: Solve for x
    x = 160,649,241,790.47/458,018.54
  6. Step 6: Final answer
    x = 350,748.34

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1.5x scale

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.