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Finding the Fourth Proportional to 186,653.43, 279,980.04 and 46,412.04

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Solution

The fourth proportional to 186,653.43, 279,980.04 and 46,412.04 is: 69,618.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,653.43 : 279,980.04 = 46,412.04 : x
  2. Step 2: Convert to fraction form
    186,653.43/279,980.04 = 46,412.04/x
  3. Step 3: Cross multiply
    186,653.43x = 279,980.04 × 46,412.04
  4. Step 4: Simplify right side
    186,653.43x = 12,994,444,815.68
  5. Step 5: Solve for x
    x = 12,994,444,815.68/186,653.43
  6. Step 6: Final answer
    x = 69,618.03

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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.