Home / 230,457.24-345,685.86-72,697.95

Finding the Fourth Proportional to 230,457.24, 345,685.86 and 72,697.95

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Solution

The fourth proportional to 230,457.24, 345,685.86 and 72,697.95 is: 109,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,457.24 : 345,685.86 = 72,697.95 : x
  2. Step 2: Convert to fraction form
    230,457.24/345,685.86 = 72,697.95/x
  3. Step 3: Cross multiply
    230,457.24x = 345,685.86 × 72,697.95
  4. Step 4: Simplify right side
    230,457.24x = 25,130,653,365.99
  5. Step 5: Solve for x
    x = 25,130,653,365.99/230,457.24
  6. Step 6: Final answer
    x = 109,046.93

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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.