Home / 212,304.77-292,932.41-154,975.33

Finding the Fourth Proportional to 212,304.77, 292,932.41 and 154,975.33

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Solution

The fourth proportional to 212,304.77, 292,932.41 and 154,975.33 is: 213,830.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,304.77 : 292,932.41 = 154,975.33 : x
  2. Step 2: Convert to fraction form
    212,304.77/292,932.41 = 154,975.33/x
  3. Step 3: Cross multiply
    212,304.77x = 292,932.41 × 154,975.33
  4. Step 4: Simplify right side
    212,304.77x = 45,397,296,907.45
  5. Step 5: Solve for x
    x = 45,397,296,907.45/212,304.77
  6. Step 6: Final answer
    x = 213,830.79

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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.