Home / 581,282.14-871,111.23-281,683.21

Finding the Fourth Proportional to 581,282.14, 871,111.23 and 281,683.21

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Solution

The fourth proportional to 581,282.14, 871,111.23 and 281,683.21 is: 422,131.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,282.14 : 871,111.23 = 281,683.21 : x
  2. Step 2: Convert to fraction form
    581,282.14/871,111.23 = 281,683.21/x
  3. Step 3: Cross multiply
    581,282.14x = 871,111.23 × 281,683.21
  4. Step 4: Simplify right side
    581,282.14x = 245,377,407,533.45
  5. Step 5: Solve for x
    x = 245,377,407,533.45/581,282.14
  6. Step 6: Final answer
    x = 422,131.34

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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.