Home / 405,044.20-607,513.02-105,546.52

Finding the Fourth Proportional to 405,044.20, 607,513.02 and 105,546.52

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Solution

The fourth proportional to 405,044.20, 607,513.02 and 105,546.52 is: 158,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,044.20 : 607,513.02 = 105,546.52 : x
  2. Step 2: Convert to fraction form
    405,044.20/607,513.02 = 105,546.52/x
  3. Step 3: Cross multiply
    405,044.20x = 607,513.02 × 105,546.52
  4. Step 4: Simplify right side
    405,044.20x = 64,120,885,115.69
  5. Step 5: Solve for x
    x = 64,120,885,115.69/405,044.20
  6. Step 6: Final answer
    x = 158,305.90

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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.