Home / 222,945.80-334,418.70-128,467.40

Finding the Fourth Proportional to 222,945.80, 334,418.70 and 128,467.40

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Solution

The fourth proportional to 222,945.80, 334,418.70 and 128,467.40 is: 192,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,945.80 : 334,418.70 = 128,467.40 : x
  2. Step 2: Convert to fraction form
    222,945.80/334,418.70 = 128,467.40/x
  3. Step 3: Cross multiply
    222,945.80x = 334,418.70 × 128,467.40
  4. Step 4: Simplify right side
    222,945.80x = 42,961,900,900.38
  5. Step 5: Solve for x
    x = 42,961,900,900.38/222,945.80
  6. Step 6: Final answer
    x = 192,701.10

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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.