Home / 281,206.24-421,849.44-103,699.50

Finding the Fourth Proportional to 281,206.24, 421,849.44 and 103,699.50

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Solution

The fourth proportional to 281,206.24, 421,849.44 and 103,699.50 is: 155,564.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,206.24 : 421,849.44 = 103,699.50 : x
  2. Step 2: Convert to fraction form
    281,206.24/421,849.44 = 103,699.50/x
  3. Step 3: Cross multiply
    281,206.24x = 421,849.44 × 103,699.50
  4. Step 4: Simplify right side
    281,206.24x = 43,745,576,003.28
  5. Step 5: Solve for x
    x = 43,745,576,003.28/281,206.24
  6. Step 6: Final answer
    x = 155,564.03

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1.5x scale

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.