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Finding the Fourth Proportional to 655,346.08, 983,256.08 and 228,945.12

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Solution

The fourth proportional to 655,346.08, 983,256.08 and 228,945.12 is: 343,500.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,346.08 : 983,256.08 = 228,945.12 : x
  2. Step 2: Convert to fraction form
    655,346.08/983,256.08 = 228,945.12/x
  3. Step 3: Cross multiply
    655,346.08x = 983,256.08 × 228,945.12
  4. Step 4: Simplify right side
    655,346.08x = 225,111,681,226.33
  5. Step 5: Solve for x
    x = 225,111,681,226.33/655,346.08
  6. Step 6: Final answer
    x = 343,500.46

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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.