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Finding the Fourth Proportional to 574,133.60, 860,854.80 and 294,197.60

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Solution

The fourth proportional to 574,133.60, 860,854.80 and 294,197.60 is: 441,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,133.60 : 860,854.80 = 294,197.60 : x
  2. Step 2: Convert to fraction form
    574,133.60/860,854.80 = 294,197.60/x
  3. Step 3: Cross multiply
    574,133.60x = 860,854.80 × 294,197.60
  4. Step 4: Simplify right side
    574,133.60x = 253,261,416,108.48
  5. Step 5: Solve for x
    x = 253,261,416,108.48/574,133.60
  6. Step 6: Final answer
    x = 441,119.31

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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.