Home / 255,457.24-383,232.33-86,968.94

Finding the Fourth Proportional to 255,457.24, 383,232.33 and 86,968.94

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Solution

The fourth proportional to 255,457.24, 383,232.33 and 86,968.94 is: 130,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,457.24 : 383,232.33 = 86,968.94 : x
  2. Step 2: Convert to fraction form
    255,457.24/383,232.33 = 86,968.94/x
  3. Step 3: Cross multiply
    255,457.24x = 383,232.33 × 86,968.94
  4. Step 4: Simplify right side
    255,457.24x = 33,329,307,597.67
  5. Step 5: Solve for x
    x = 33,329,307,597.67/255,457.24
  6. Step 6: Final answer
    x = 130,469.22

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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.