Home / 230,298.26-345,447.39-89,958.47

Finding the Fourth Proportional to 230,298.26, 345,447.39 and 89,958.47

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Solution

The fourth proportional to 230,298.26, 345,447.39 and 89,958.47 is: 134,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,298.26 : 345,447.39 = 89,958.47 : x
  2. Step 2: Convert to fraction form
    230,298.26/345,447.39 = 89,958.47/x
  3. Step 3: Cross multiply
    230,298.26x = 345,447.39 × 89,958.47
  4. Step 4: Simplify right side
    230,298.26x = 31,075,916,942.66
  5. Step 5: Solve for x
    x = 31,075,916,942.66/230,298.26
  6. Step 6: Final answer
    x = 134,937.70

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1.5x scale

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.