Home / 735,137.28-1,102,888.96-209,825.28

Finding the Fourth Proportional to 735,137.28, 1,102,888.96 and 209,825.28

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Solution

The fourth proportional to 735,137.28, 1,102,888.96 and 209,825.28 is: 314,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,137.28 : 1,102,888.96 = 209,825.28 : x
  2. Step 2: Convert to fraction form
    735,137.28/1,102,888.96 = 209,825.28/x
  3. Step 3: Cross multiply
    735,137.28x = 1,102,888.96 × 209,825.28
  4. Step 4: Simplify right side
    735,137.28x = 231,413,984,840.91
  5. Step 5: Solve for x
    x = 231,413,984,840.91/735,137.28
  6. Step 6: Final answer
    x = 314,790.16

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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.