Home / 255,828.69-383,822.96-87,353.01

Finding the Fourth Proportional to 255,828.69, 383,822.96 and 87,353.01

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Solution

The fourth proportional to 255,828.69, 383,822.96 and 87,353.01 is: 131,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,828.69 : 383,822.96 = 87,353.01 : x
  2. Step 2: Convert to fraction form
    255,828.69/383,822.96 = 87,353.01/x
  3. Step 3: Cross multiply
    255,828.69x = 383,822.96 × 87,353.01
  4. Step 4: Simplify right side
    255,828.69x = 33,528,090,863.11
  5. Step 5: Solve for x
    x = 33,528,090,863.11/255,828.69
  6. Step 6: Final answer
    x = 131,056.81

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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.