Home / 230,240.23-317,647.24-139,530.76

Finding the Fourth Proportional to 230,240.23, 317,647.24 and 139,530.76

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Solution

The fourth proportional to 230,240.23, 317,647.24 and 139,530.76 is: 192,501.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,240.23 : 317,647.24 = 139,530.76 : x
  2. Step 2: Convert to fraction form
    230,240.23/317,647.24 = 139,530.76/x
  3. Step 3: Cross multiply
    230,240.23x = 317,647.24 × 139,530.76
  4. Step 4: Simplify right side
    230,240.23x = 44,321,560,809.10
  5. Step 5: Solve for x
    x = 44,321,560,809.10/230,240.23
  6. Step 6: Final answer
    x = 192,501.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.