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Finding the Fourth Proportional to 304,653.65, 457,059.32 and 178,400.57

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Solution

The fourth proportional to 304,653.65, 457,059.32 and 178,400.57 is: 267,647.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,653.65 : 457,059.32 = 178,400.57 : x
  2. Step 2: Convert to fraction form
    304,653.65/457,059.32 = 178,400.57/x
  3. Step 3: Cross multiply
    304,653.65x = 457,059.32 × 178,400.57
  4. Step 4: Simplify right side
    304,653.65x = 81,539,643,211.81
  5. Step 5: Solve for x
    x = 81,539,643,211.81/304,653.65
  6. Step 6: Final answer
    x = 267,647.03

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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.