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Finding the Fourth Proportional to 151,065.40, 226,619.70 and 51,230.20

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Solution

The fourth proportional to 151,065.40, 226,619.70 and 51,230.20 is: 76,852.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,065.40 : 226,619.70 = 51,230.20 : x
  2. Step 2: Convert to fraction form
    151,065.40/226,619.70 = 51,230.20/x
  3. Step 3: Cross multiply
    151,065.40x = 226,619.70 × 51,230.20
  4. Step 4: Simplify right side
    151,065.40x = 11,609,772,554.94
  5. Step 5: Solve for x
    x = 11,609,772,554.94/151,065.40
  6. Step 6: Final answer
    x = 76,852.63

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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.