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Finding the Fourth Proportional to 613,749, 920,635.02 and 170,528.52

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Solution

The fourth proportional to 613,749, 920,635.02 and 170,528.52 is: 255,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,749 : 920,635.02 = 170,528.52 : x
  2. Step 2: Convert to fraction form
    613,749/920,635.02 = 170,528.52/x
  3. Step 3: Cross multiply
    613,749x = 920,635.02 × 170,528.52
  4. Step 4: Simplify right side
    613,749x = 156,994,527,420.77
  5. Step 5: Solve for x
    x = 156,994,527,420.77/613,749
  6. Step 6: Final answer
    x = 255,795.98

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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.