Home / 331,262.08-457,142.72-180,360

Finding the Fourth Proportional to 331,262.08, 457,142.72 and 180,360

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Solution

The fourth proportional to 331,262.08, 457,142.72 and 180,360 is: 248,897.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,262.08 : 457,142.72 = 180,360 : x
  2. Step 2: Convert to fraction form
    331,262.08/457,142.72 = 180,360/x
  3. Step 3: Cross multiply
    331,262.08x = 457,142.72 × 180,360
  4. Step 4: Simplify right side
    331,262.08x = 82,450,260,979.20
  5. Step 5: Solve for x
    x = 82,450,260,979.20/331,262.08
  6. Step 6: Final answer
    x = 248,897.37

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1.5x scale

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.