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Finding the Fourth Proportional to 573,365.80, 860,145.90 and 174,003.40

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Solution

The fourth proportional to 573,365.80, 860,145.90 and 174,003.40 is: 261,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,365.80 : 860,145.90 = 174,003.40 : x
  2. Step 2: Convert to fraction form
    573,365.80/860,145.90 = 174,003.40/x
  3. Step 3: Cross multiply
    573,365.80x = 860,145.90 × 174,003.40
  4. Step 4: Simplify right side
    573,365.80x = 149,668,311,096.06
  5. Step 5: Solve for x
    x = 149,668,311,096.06/573,365.80
  6. Step 6: Final answer
    x = 261,034.60

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1.5x scale

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.