Home / 230,217.77-317,715.12-139,582.41

Finding the Fourth Proportional to 230,217.77, 317,715.12 and 139,582.41

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Solution

The fourth proportional to 230,217.77, 317,715.12 and 139,582.41 is: 192,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,217.77 : 317,715.12 = 139,582.41 : x
  2. Step 2: Convert to fraction form
    230,217.77/317,715.12 = 139,582.41/x
  3. Step 3: Cross multiply
    230,217.77x = 317,715.12 × 139,582.41
  4. Step 4: Simplify right side
    230,217.77x = 44,347,442,143.04
  5. Step 5: Solve for x
    x = 44,347,442,143.04/230,217.77
  6. Step 6: Final answer
    x = 192,632.58

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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.