Home / 221,021.34-331,534.32-176,928.39

Finding the Fourth Proportional to 221,021.34, 331,534.32 and 176,928.39

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Solution

The fourth proportional to 221,021.34, 331,534.32 and 176,928.39 is: 265,394.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,021.34 : 331,534.32 = 176,928.39 : x
  2. Step 2: Convert to fraction form
    221,021.34/331,534.32 = 176,928.39/x
  3. Step 3: Cross multiply
    221,021.34x = 331,534.32 × 176,928.39
  4. Step 4: Simplify right side
    221,021.34x = 58,657,833,467.34
  5. Step 5: Solve for x
    x = 58,657,833,467.34/221,021.34
  6. Step 6: Final answer
    x = 265,394.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.