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Finding the Fourth Proportional to 368,002.45, 552,003.68 and 368,002.45

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Solution

The fourth proportional to 368,002.45, 552,003.68 and 368,002.45 is: 552,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,002.45 : 552,003.68 = 368,002.45 : x
  2. Step 2: Convert to fraction form
    368,002.45/552,003.68 = 368,002.45/x
  3. Step 3: Cross multiply
    368,002.45x = 552,003.68 × 368,002.45
  4. Step 4: Simplify right side
    368,002.45x = 203,138,706,649.02
  5. Step 5: Solve for x
    x = 203,138,706,649.02/368,002.45
  6. Step 6: Final answer
    x = 552,003.68

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1.5x scale

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.