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Finding the Fourth Proportional to 250,791, 376,208.40 and 63,802.50

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Solution

The fourth proportional to 250,791, 376,208.40 and 63,802.50 is: 95,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,791 : 376,208.40 = 63,802.50 : x
  2. Step 2: Convert to fraction form
    250,791/376,208.40 = 63,802.50/x
  3. Step 3: Cross multiply
    250,791x = 376,208.40 × 63,802.50
  4. Step 4: Simplify right side
    250,791x = 24,003,036,441
  5. Step 5: Solve for x
    x = 24,003,036,441/250,791
  6. Step 6: Final answer
    x = 95,709.32

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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.