Home / 349,966.89-525,033.77-113,309.64

Finding the Fourth Proportional to 349,966.89, 525,033.77 and 113,309.64

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Solution

The fourth proportional to 349,966.89, 525,033.77 and 113,309.64 is: 169,991.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,966.89 : 525,033.77 = 113,309.64 : x
  2. Step 2: Convert to fraction form
    349,966.89/525,033.77 = 113,309.64/x
  3. Step 3: Cross multiply
    349,966.89x = 525,033.77 × 113,309.64
  4. Step 4: Simplify right side
    349,966.89x = 59,491,386,899.99
  5. Step 5: Solve for x
    x = 59,491,386,899.99/349,966.89
  6. Step 6: Final answer
    x = 169,991.47

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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.