Home / 451,838.61-677,343.20-156,143.25

Finding the Fourth Proportional to 451,838.61, 677,343.20 and 156,143.25

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Solution

The fourth proportional to 451,838.61, 677,343.20 and 156,143.25 is: 234,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,838.61 : 677,343.20 = 156,143.25 : x
  2. Step 2: Convert to fraction form
    451,838.61/677,343.20 = 156,143.25/x
  3. Step 3: Cross multiply
    451,838.61x = 677,343.20 × 156,143.25
  4. Step 4: Simplify right side
    451,838.61x = 105,762,567,832.68
  5. Step 5: Solve for x
    x = 105,762,567,832.68/451,838.61
  6. Step 6: Final answer
    x = 234,071.56

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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.