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Finding the Fourth Proportional to 186,245.28, 279,367.92 and 46,006.56

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Solution

The fourth proportional to 186,245.28, 279,367.92 and 46,006.56 is: 69,009.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245.28 : 279,367.92 = 46,006.56 : x
  2. Step 2: Convert to fraction form
    186,245.28/279,367.92 = 46,006.56/x
  3. Step 3: Cross multiply
    186,245.28x = 279,367.92 × 46,006.56
  4. Step 4: Simplify right side
    186,245.28x = 12,852,756,973.56
  5. Step 5: Solve for x
    x = 12,852,756,973.56/186,245.28
  6. Step 6: Final answer
    x = 69,009.84

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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.