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Finding the Fourth Proportional to 603,235.60, 904,824.60 and 203,837.20

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Solution

The fourth proportional to 603,235.60, 904,824.60 and 203,837.20 is: 305,746.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,235.60 : 904,824.60 = 203,837.20 : x
  2. Step 2: Convert to fraction form
    603,235.60/904,824.60 = 203,837.20/x
  3. Step 3: Cross multiply
    603,235.60x = 904,824.60 × 203,837.20
  4. Step 4: Simplify right side
    603,235.60x = 184,436,912,955.12
  5. Step 5: Solve for x
    x = 184,436,912,955.12/603,235.60
  6. Step 6: Final answer
    x = 305,746.07

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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.