Home / 813,168.90-1,219,661.04-214,176.93

Finding the Fourth Proportional to 813,168.90, 1,219,661.04 and 214,176.93

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Solution

The fourth proportional to 813,168.90, 1,219,661.04 and 214,176.93 is: 321,241.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,168.90 : 1,219,661.04 = 214,176.93 : x
  2. Step 2: Convert to fraction form
    813,168.90/1,219,661.04 = 214,176.93/x
  3. Step 3: Cross multiply
    813,168.90x = 1,219,661.04 × 214,176.93
  4. Step 4: Simplify right side
    813,168.90x = 261,223,257,187.81
  5. Step 5: Solve for x
    x = 261,223,257,187.81/813,168.90
  6. Step 6: Final answer
    x = 321,241.08

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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.