Home / 222,029.40-333,389.70-128,717.40

Finding the Fourth Proportional to 222,029.40, 333,389.70 and 128,717.40

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Solution

The fourth proportional to 222,029.40, 333,389.70 and 128,717.40 is: 193,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,029.40 : 333,389.70 = 128,717.40 : x
  2. Step 2: Convert to fraction form
    222,029.40/333,389.70 = 128,717.40/x
  3. Step 3: Cross multiply
    222,029.40x = 333,389.70 × 128,717.40
  4. Step 4: Simplify right side
    222,029.40x = 42,913,055,370.78
  5. Step 5: Solve for x
    x = 42,913,055,370.78/222,029.40
  6. Step 6: Final answer
    x = 193,276.46

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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.