Home / 314,614.77-471,739.91-214,895.47

Finding the Fourth Proportional to 314,614.77, 471,739.91 and 214,895.47

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Solution

The fourth proportional to 314,614.77, 471,739.91 and 214,895.47 is: 322,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,614.77 : 471,739.91 = 214,895.47 : x
  2. Step 2: Convert to fraction form
    314,614.77/471,739.91 = 214,895.47/x
  3. Step 3: Cross multiply
    314,614.77x = 471,739.91 × 214,895.47
  4. Step 4: Simplify right side
    314,614.77x = 101,374,767,423.38
  5. Step 5: Solve for x
    x = 101,374,767,423.38/314,614.77
  6. Step 6: Final answer
    x = 322,218.72

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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.