Home / 291,966.40-437,647.20-158,564.80

Finding the Fourth Proportional to 291,966.40, 437,647.20 and 158,564.80

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Solution

The fourth proportional to 291,966.40, 437,647.20 and 158,564.80 is: 237,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,966.40 : 437,647.20 = 158,564.80 : x
  2. Step 2: Convert to fraction form
    291,966.40/437,647.20 = 158,564.80/x
  3. Step 3: Cross multiply
    291,966.40x = 437,647.20 × 158,564.80
  4. Step 4: Simplify right side
    291,966.40x = 69,395,440,738.56
  5. Step 5: Solve for x
    x = 69,395,440,738.56/291,966.40
  6. Step 6: Final answer
    x = 237,682.97

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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.