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Finding the Fourth Proportional to 434,204.64, 650,185.28 and 299,683.84

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Solution

The fourth proportional to 434,204.64, 650,185.28 and 299,683.84 is: 448,751.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,204.64 : 650,185.28 = 299,683.84 : x
  2. Step 2: Convert to fraction form
    434,204.64/650,185.28 = 299,683.84/x
  3. Step 3: Cross multiply
    434,204.64x = 650,185.28 × 299,683.84
  4. Step 4: Simplify right side
    434,204.64x = 194,850,021,421.88
  5. Step 5: Solve for x
    x = 194,850,021,421.88/434,204.64
  6. Step 6: Final answer
    x = 448,751.59

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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.