Home / 213,408.16-320,113.38-63,647.24

Finding the Fourth Proportional to 213,408.16, 320,113.38 and 63,647.24

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Solution

The fourth proportional to 213,408.16, 320,113.38 and 63,647.24 is: 95,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,408.16 : 320,113.38 = 63,647.24 : x
  2. Step 2: Convert to fraction form
    213,408.16/320,113.38 = 63,647.24/x
  3. Step 3: Cross multiply
    213,408.16x = 320,113.38 × 63,647.24
  4. Step 4: Simplify right side
    213,408.16x = 20,374,333,124.07
  5. Step 5: Solve for x
    x = 20,374,333,124.07/213,408.16
  6. Step 6: Final answer
    x = 95,471.20

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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.