Home / 255,827.69-383,821.46-87,352.01

Finding the Fourth Proportional to 255,827.69, 383,821.46 and 87,352.01

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Solution

The fourth proportional to 255,827.69, 383,821.46 and 87,352.01 is: 131,055.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,827.69 : 383,821.46 = 87,352.01 : x
  2. Step 2: Convert to fraction form
    255,827.69/383,821.46 = 87,352.01/x
  3. Step 3: Cross multiply
    255,827.69x = 383,821.46 × 87,352.01
  4. Step 4: Simplify right side
    255,827.69x = 33,527,576,012.13
  5. Step 5: Solve for x
    x = 33,527,576,012.13/255,827.69
  6. Step 6: Final answer
    x = 131,055.31

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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.