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Finding the Fourth Proportional to 349,675.20, 524,512.80 and 183,441.60

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Solution

The fourth proportional to 349,675.20, 524,512.80 and 183,441.60 is: 275,162.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,675.20 : 524,512.80 = 183,441.60 : x
  2. Step 2: Convert to fraction form
    349,675.20/524,512.80 = 183,441.60/x
  3. Step 3: Cross multiply
    349,675.20x = 524,512.80 × 183,441.60
  4. Step 4: Simplify right side
    349,675.20x = 96,217,467,252.48
  5. Step 5: Solve for x
    x = 96,217,467,252.48/349,675.20
  6. Step 6: Final answer
    x = 275,162.40

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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.