Home / 220,445.22-304,521.51-212,252.34

Finding the Fourth Proportional to 220,445.22, 304,521.51 and 212,252.34

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Solution

The fourth proportional to 220,445.22, 304,521.51 and 212,252.34 is: 293,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,445.22 : 304,521.51 = 212,252.34 : x
  2. Step 2: Convert to fraction form
    220,445.22/304,521.51 = 212,252.34/x
  3. Step 3: Cross multiply
    220,445.22x = 304,521.51 × 212,252.34
  4. Step 4: Simplify right side
    220,445.22x = 64,635,403,077.83
  5. Step 5: Solve for x
    x = 64,635,403,077.83/220,445.22
  6. Step 6: Final answer
    x = 293,203.92

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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.