Home / 255,828.19-383,822.21-87,352.51

Finding the Fourth Proportional to 255,828.19, 383,822.21 and 87,352.51

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Solution

The fourth proportional to 255,828.19, 383,822.21 and 87,352.51 is: 131,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,828.19 : 383,822.21 = 87,352.51 : x
  2. Step 2: Convert to fraction form
    255,828.19/383,822.21 = 87,352.51/x
  3. Step 3: Cross multiply
    255,828.19x = 383,822.21 × 87,352.51
  4. Step 4: Simplify right side
    255,828.19x = 33,527,833,437.25
  5. Step 5: Solve for x
    x = 33,527,833,437.25/255,828.19
  6. Step 6: Final answer
    x = 131,056.06

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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.