Home / 220,690.22-304,859.94-212,497.16

Finding the Fourth Proportional to 220,690.22, 304,859.94 and 212,497.16

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Solution

The fourth proportional to 220,690.22, 304,859.94 and 212,497.16 is: 293,542.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,690.22 : 304,859.94 = 212,497.16 : x
  2. Step 2: Convert to fraction form
    220,690.22/304,859.94 = 212,497.16/x
  3. Step 3: Cross multiply
    220,690.22x = 304,859.94 × 212,497.16
  4. Step 4: Simplify right side
    220,690.22x = 64,781,871,447.77
  5. Step 5: Solve for x
    x = 64,781,871,447.77/220,690.22
  6. Step 6: Final answer
    x = 293,542.10

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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.