Home / 345,558.17-518,302.22-92,805.82

Finding the Fourth Proportional to 345,558.17, 518,302.22 and 92,805.82

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Solution

The fourth proportional to 345,558.17, 518,302.22 and 92,805.82 is: 139,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,558.17 : 518,302.22 = 92,805.82 : x
  2. Step 2: Convert to fraction form
    345,558.17/518,302.22 = 92,805.82/x
  3. Step 3: Cross multiply
    345,558.17x = 518,302.22 × 92,805.82
  4. Step 4: Simplify right side
    345,558.17x = 48,101,462,534.92
  5. Step 5: Solve for x
    x = 48,101,462,534.92/345,558.17
  6. Step 6: Final answer
    x = 139,199.32

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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.