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Finding the Fourth Proportional to 240,689.30, 332,156.30 and 131,798.21

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Solution

The fourth proportional to 240,689.30, 332,156.30 and 131,798.21 is: 181,884.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,689.30 : 332,156.30 = 131,798.21 : x
  2. Step 2: Convert to fraction form
    240,689.30/332,156.30 = 131,798.21/x
  3. Step 3: Cross multiply
    240,689.30x = 332,156.30 × 131,798.21
  4. Step 4: Simplify right side
    240,689.30x = 43,777,606,263.02
  5. Step 5: Solve for x
    x = 43,777,606,263.02/240,689.30
  6. Step 6: Final answer
    x = 181,884.31

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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.