Home / 314,006.09-471,071.41-89,375.36

Finding the Fourth Proportional to 314,006.09, 471,071.41 and 89,375.36

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Solution

The fourth proportional to 314,006.09, 471,071.41 and 89,375.36 is: 134,080.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,006.09 : 471,071.41 = 89,375.36 : x
  2. Step 2: Convert to fraction form
    314,006.09/471,071.41 = 89,375.36/x
  3. Step 3: Cross multiply
    314,006.09x = 471,071.41 × 89,375.36
  4. Step 4: Simplify right side
    314,006.09x = 42,102,174,275.66
  5. Step 5: Solve for x
    x = 42,102,174,275.66/314,006.09
  6. Step 6: Final answer
    x = 134,080.76

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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.