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Finding the Fourth Proportional to 574,276.89, 860,883.01 and 254,258.19

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Solution

The fourth proportional to 574,276.89, 860,883.01 and 254,258.19 is: 381,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,276.89 : 860,883.01 = 254,258.19 : x
  2. Step 2: Convert to fraction form
    574,276.89/860,883.01 = 254,258.19/x
  3. Step 3: Cross multiply
    574,276.89x = 860,883.01 × 254,258.19
  4. Step 4: Simplify right side
    574,276.89x = 218,886,556,003.81
  5. Step 5: Solve for x
    x = 218,886,556,003.81/574,276.89
  6. Step 6: Final answer
    x = 381,151.60

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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.