Home / 349,945.02-525,000.78-113,287.68

Finding the Fourth Proportional to 349,945.02, 525,000.78 and 113,287.68

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Solution

The fourth proportional to 349,945.02, 525,000.78 and 113,287.68 is: 169,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,945.02 : 525,000.78 = 113,287.68 : x
  2. Step 2: Convert to fraction form
    349,945.02/525,000.78 = 113,287.68/x
  3. Step 3: Cross multiply
    349,945.02x = 525,000.78 × 113,287.68
  4. Step 4: Simplify right side
    349,945.02x = 59,476,120,364.39
  5. Step 5: Solve for x
    x = 59,476,120,364.39/349,945.02
  6. Step 6: Final answer
    x = 169,958.47

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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.