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Finding the Fourth Proportional to 300,303.83, 414,378.32 and 179,419.43

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Solution

The fourth proportional to 300,303.83, 414,378.32 and 179,419.43 is: 247,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,303.83 : 414,378.32 = 179,419.43 : x
  2. Step 2: Convert to fraction form
    300,303.83/414,378.32 = 179,419.43/x
  3. Step 3: Cross multiply
    300,303.83x = 414,378.32 × 179,419.43
  4. Step 4: Simplify right side
    300,303.83x = 74,347,522,117.61
  5. Step 5: Solve for x
    x = 74,347,522,117.61/300,303.83
  6. Step 6: Final answer
    x = 247,574.34

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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.