Home / 314,028.36-471,031.44-89,389.98

Finding the Fourth Proportional to 314,028.36, 471,031.44 and 89,389.98

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Solution

The fourth proportional to 314,028.36, 471,031.44 and 89,389.98 is: 134,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,028.36 : 471,031.44 = 89,389.98 : x
  2. Step 2: Convert to fraction form
    314,028.36/471,031.44 = 89,389.98/x
  3. Step 3: Cross multiply
    314,028.36x = 471,031.44 × 89,389.98
  4. Step 4: Simplify right side
    314,028.36x = 42,105,491,000.97
  5. Step 5: Solve for x
    x = 42,105,491,000.97/314,028.36
  6. Step 6: Final answer
    x = 134,081.81

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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.