Home / 645,601.48-968,402.30-172,288.52

Finding the Fourth Proportional to 645,601.48, 968,402.30 and 172,288.52

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Solution

The fourth proportional to 645,601.48, 968,402.30 and 172,288.52 is: 258,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,601.48 : 968,402.30 = 172,288.52 : x
  2. Step 2: Convert to fraction form
    645,601.48/968,402.30 = 172,288.52/x
  3. Step 3: Cross multiply
    645,601.48x = 968,402.30 × 172,288.52
  4. Step 4: Simplify right side
    645,601.48x = 166,844,599,031.60
  5. Step 5: Solve for x
    x = 166,844,599,031.60/645,601.48
  6. Step 6: Final answer
    x = 258,432.80

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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.