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Finding the Fourth Proportional to 330,458.92, 456,036.08 and 179,555.92

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Solution

The fourth proportional to 330,458.92, 456,036.08 and 179,555.92 is: 247,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,458.92 : 456,036.08 = 179,555.92 : x
  2. Step 2: Convert to fraction form
    330,458.92/456,036.08 = 179,555.92/x
  3. Step 3: Cross multiply
    330,458.92x = 456,036.08 × 179,555.92
  4. Step 4: Simplify right side
    330,458.92x = 81,883,975,859.72
  5. Step 5: Solve for x
    x = 81,883,975,859.72/330,458.92
  6. Step 6: Final answer
    x = 247,788.67

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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.