Home / 331,292.16-457,066.74-216,637.92

Finding the Fourth Proportional to 331,292.16, 457,066.74 and 216,637.92

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Solution

The fourth proportional to 331,292.16, 457,066.74 and 216,637.92 is: 298,884.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,292.16 : 457,066.74 = 216,637.92 : x
  2. Step 2: Convert to fraction form
    331,292.16/457,066.74 = 216,637.92/x
  3. Step 3: Cross multiply
    331,292.16x = 457,066.74 × 216,637.92
  4. Step 4: Simplify right side
    331,292.16x = 99,017,987,854.78
  5. Step 5: Solve for x
    x = 99,017,987,854.78/331,292.16
  6. Step 6: Final answer
    x = 298,884.19

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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.