Home / 230,237.58-345,403.07-72,429.33

Finding the Fourth Proportional to 230,237.58, 345,403.07 and 72,429.33

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Solution

The fourth proportional to 230,237.58, 345,403.07 and 72,429.33 is: 108,658.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,237.58 : 345,403.07 = 72,429.33 : x
  2. Step 2: Convert to fraction form
    230,237.58/345,403.07 = 72,429.33/x
  3. Step 3: Cross multiply
    230,237.58x = 345,403.07 × 72,429.33
  4. Step 4: Simplify right side
    230,237.58x = 25,017,312,940.04
  5. Step 5: Solve for x
    x = 25,017,312,940.04/230,237.58
  6. Step 6: Final answer
    x = 108,658.69

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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.