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Finding the Fourth Proportional to 237,679, 356,597.88 and 77,762.20

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Solution

The fourth proportional to 237,679, 356,597.88 and 77,762.20 is: 116,669.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,679 : 356,597.88 = 77,762.20 : x
  2. Step 2: Convert to fraction form
    237,679/356,597.88 = 77,762.20/x
  3. Step 3: Cross multiply
    237,679x = 356,597.88 × 77,762.20
  4. Step 4: Simplify right side
    237,679x = 27,729,835,664.14
  5. Step 5: Solve for x
    x = 27,729,835,664.14/237,679
  6. Step 6: Final answer
    x = 116,669.27

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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.