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Finding the Fourth Proportional to 375,604.32, 563,969.23 and 325,158.90

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Solution

The fourth proportional to 375,604.32, 563,969.23 and 325,158.90 is: 488,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,604.32 : 563,969.23 = 325,158.90 : x
  2. Step 2: Convert to fraction form
    375,604.32/563,969.23 = 325,158.90/x
  3. Step 3: Cross multiply
    375,604.32x = 563,969.23 × 325,158.90
  4. Step 4: Simplify right side
    375,604.32x = 183,379,611,532.87
  5. Step 5: Solve for x
    x = 183,379,611,532.87/375,604.32
  6. Step 6: Final answer
    x = 488,225.51

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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.