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Finding the Fourth Proportional to 375,696.91, 563,577.45 and 207,333.45

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Solution

The fourth proportional to 375,696.91, 563,577.45 and 207,333.45 is: 311,017.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,696.91 : 563,577.45 = 207,333.45 : x
  2. Step 2: Convert to fraction form
    375,696.91/563,577.45 = 207,333.45/x
  3. Step 3: Cross multiply
    375,696.91x = 563,577.45 × 207,333.45
  4. Step 4: Simplify right side
    375,696.91x = 116,848,457,050.70
  5. Step 5: Solve for x
    x = 116,848,457,050.70/375,696.91
  6. Step 6: Final answer
    x = 311,017.88

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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.