Home / 314,883.45-472,151.84-215,156.25

Finding the Fourth Proportional to 314,883.45, 472,151.84 and 215,156.25

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Solution

The fourth proportional to 314,883.45, 472,151.84 and 215,156.25 is: 322,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,883.45 : 472,151.84 = 215,156.25 : x
  2. Step 2: Convert to fraction form
    314,883.45/472,151.84 = 215,156.25/x
  3. Step 3: Cross multiply
    314,883.45x = 472,151.84 × 215,156.25
  4. Step 4: Simplify right side
    314,883.45x = 101,586,418,249.22
  5. Step 5: Solve for x
    x = 101,586,418,249.22/314,883.45
  6. Step 6: Final answer
    x = 322,615.93

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1.5x scale

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.