Home / 217,008.20-299,271.48-148,905.02

Finding the Fourth Proportional to 217,008.20, 299,271.48 and 148,905.02

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Solution

The fourth proportional to 217,008.20, 299,271.48 and 148,905.02 is: 205,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,008.20 : 299,271.48 = 148,905.02 : x
  2. Step 2: Convert to fraction form
    217,008.20/299,271.48 = 148,905.02/x
  3. Step 3: Cross multiply
    217,008.20x = 299,271.48 × 148,905.02
  4. Step 4: Simplify right side
    217,008.20x = 44,563,025,714.83
  5. Step 5: Solve for x
    x = 44,563,025,714.83/217,008.20
  6. Step 6: Final answer
    x = 205,351.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.