Home / 578,220.88-867,061.41-218,114.27

Finding the Fourth Proportional to 578,220.88, 867,061.41 and 218,114.27

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Solution

The fourth proportional to 578,220.88, 867,061.41 and 218,114.27 is: 327,069.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,220.88 : 867,061.41 = 218,114.27 : x
  2. Step 2: Convert to fraction form
    578,220.88/867,061.41 = 218,114.27/x
  3. Step 3: Cross multiply
    578,220.88x = 867,061.41 × 218,114.27
  4. Step 4: Simplify right side
    578,220.88x = 189,118,465,812.46
  5. Step 5: Solve for x
    x = 189,118,465,812.46/578,220.88
  6. Step 6: Final answer
    x = 327,069.59

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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.