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Finding the Fourth Proportional to 331,323.97, 457,214.52 and 202,477.93

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Solution

The fourth proportional to 331,323.97, 457,214.52 and 202,477.93 is: 279,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,323.97 : 457,214.52 = 202,477.93 : x
  2. Step 2: Convert to fraction form
    331,323.97/457,214.52 = 202,477.93/x
  3. Step 3: Cross multiply
    331,323.97x = 457,214.52 × 202,477.93
  4. Step 4: Simplify right side
    331,323.97x = 92,575,849,191.80
  5. Step 5: Solve for x
    x = 92,575,849,191.80/331,323.97
  6. Step 6: Final answer
    x = 279,411.87

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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.