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Finding the Fourth Proportional to 300,030.39, 414,040.90 and 169,197.65

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Solution

The fourth proportional to 300,030.39, 414,040.90 and 169,197.65 is: 233,492.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,030.39 : 414,040.90 = 169,197.65 : x
  2. Step 2: Convert to fraction form
    300,030.39/414,040.90 = 169,197.65/x
  3. Step 3: Cross multiply
    300,030.39x = 414,040.90 × 169,197.65
  4. Step 4: Simplify right side
    300,030.39x = 70,054,744,367.69
  5. Step 5: Solve for x
    x = 70,054,744,367.69/300,030.39
  6. Step 6: Final answer
    x = 233,492.16

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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.