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Finding the Fourth Proportional to 573,672.24, 860,365.29 and 168,783.88

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Solution

The fourth proportional to 573,672.24, 860,365.29 and 168,783.88 is: 253,133.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,672.24 : 860,365.29 = 168,783.88 : x
  2. Step 2: Convert to fraction form
    573,672.24/860,365.29 = 168,783.88/x
  3. Step 3: Cross multiply
    573,672.24x = 860,365.29 × 168,783.88
  4. Step 4: Simplify right side
    573,672.24x = 145,215,791,019.61
  5. Step 5: Solve for x
    x = 145,215,791,019.61/573,672.24
  6. Step 6: Final answer
    x = 253,133.73

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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.