Home / 230,813.40-346,011.12-90,534.36

Finding the Fourth Proportional to 230,813.40, 346,011.12 and 90,534.36

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Solution

The fourth proportional to 230,813.40, 346,011.12 and 90,534.36 is: 135,719.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,813.40 : 346,011.12 = 90,534.36 : x
  2. Step 2: Convert to fraction form
    230,813.40/346,011.12 = 90,534.36/x
  3. Step 3: Cross multiply
    230,813.40x = 346,011.12 × 90,534.36
  4. Step 4: Simplify right side
    230,813.40x = 31,325,895,302.08
  5. Step 5: Solve for x
    x = 31,325,895,302.08/230,813.40
  6. Step 6: Final answer
    x = 135,719.57

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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.