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Finding the Fourth Proportional to 603,364.32, 905,048.64 and 204,008.40

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Solution

The fourth proportional to 603,364.32, 905,048.64 and 204,008.40 is: 306,013.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,364.32 : 905,048.64 = 204,008.40 : x
  2. Step 2: Convert to fraction form
    603,364.32/905,048.64 = 204,008.40/x
  3. Step 3: Cross multiply
    603,364.32x = 905,048.64 × 204,008.40
  4. Step 4: Simplify right side
    603,364.32x = 184,637,524,968.58
  5. Step 5: Solve for x
    x = 184,637,524,968.58/603,364.32
  6. Step 6: Final answer
    x = 306,013.33

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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.