Home / 289,140.84-433,448.82-214,170.48

Finding the Fourth Proportional to 289,140.84, 433,448.82 and 214,170.48

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Solution

The fourth proportional to 289,140.84, 433,448.82 and 214,170.48 is: 321,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,140.84 : 433,448.82 = 214,170.48 : x
  2. Step 2: Convert to fraction form
    289,140.84/433,448.82 = 214,170.48/x
  3. Step 3: Cross multiply
    289,140.84x = 433,448.82 × 214,170.48
  4. Step 4: Simplify right side
    289,140.84x = 92,831,941,834.83
  5. Step 5: Solve for x
    x = 92,831,941,834.83/289,140.84
  6. Step 6: Final answer
    x = 321,061.33

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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.