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Finding the Fourth Proportional to 331,359.56, 457,254.44 and 195,386.93

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Solution

The fourth proportional to 331,359.56, 457,254.44 and 195,386.93 is: 269,621.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,359.56 : 457,254.44 = 195,386.93 : x
  2. Step 2: Convert to fraction form
    331,359.56/457,254.44 = 195,386.93/x
  3. Step 3: Cross multiply
    331,359.56x = 457,254.44 × 195,386.93
  4. Step 4: Simplify right side
    331,359.56x = 89,341,537,997.26
  5. Step 5: Solve for x
    x = 89,341,537,997.26/331,359.56
  6. Step 6: Final answer
    x = 269,621.13

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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.