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Finding the Fourth Proportional to 447,600.28, 671,407.52 and 249,181.84

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Solution

The fourth proportional to 447,600.28, 671,407.52 and 249,181.84 is: 373,776.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,600.28 : 671,407.52 = 249,181.84 : x
  2. Step 2: Convert to fraction form
    447,600.28/671,407.52 = 249,181.84/x
  3. Step 3: Cross multiply
    447,600.28x = 671,407.52 × 249,181.84
  4. Step 4: Simplify right side
    447,600.28x = 167,302,561,223.44
  5. Step 5: Solve for x
    x = 167,302,561,223.44/447,600.28
  6. Step 6: Final answer
    x = 373,776.71

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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.