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Finding the Fourth Proportional to 242,222.40, 334,238.40 and 140,227.20

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Solution

The fourth proportional to 242,222.40, 334,238.40 and 140,227.20 is: 193,497.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,222.40 : 334,238.40 = 140,227.20 : x
  2. Step 2: Convert to fraction form
    242,222.40/334,238.40 = 140,227.20/x
  3. Step 3: Cross multiply
    242,222.40x = 334,238.40 × 140,227.20
  4. Step 4: Simplify right side
    242,222.40x = 46,869,314,964.48
  5. Step 5: Solve for x
    x = 46,869,314,964.48/242,222.40
  6. Step 6: Final answer
    x = 193,497.03

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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.