Home / 314,614.90-471,740.09-214,895.60

Finding the Fourth Proportional to 314,614.90, 471,740.09 and 214,895.60

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Solution

The fourth proportional to 314,614.90, 471,740.09 and 214,895.60 is: 322,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,614.90 : 471,740.09 = 214,895.60 : x
  2. Step 2: Convert to fraction form
    314,614.90/471,740.09 = 214,895.60/x
  3. Step 3: Cross multiply
    314,614.90x = 471,740.09 × 214,895.60
  4. Step 4: Simplify right side
    314,614.90x = 101,374,867,325.90
  5. Step 5: Solve for x
    x = 101,374,867,325.90/314,614.90
  6. Step 6: Final answer
    x = 322,218.91

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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.