Home / 228,147.58-314,748.53-131,328.27

Finding the Fourth Proportional to 228,147.58, 314,748.53 and 131,328.27

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Solution

The fourth proportional to 228,147.58, 314,748.53 and 131,328.27 is: 181,178.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,147.58 : 314,748.53 = 131,328.27 : x
  2. Step 2: Convert to fraction form
    228,147.58/314,748.53 = 131,328.27/x
  3. Step 3: Cross multiply
    228,147.58x = 314,748.53 × 131,328.27
  4. Step 4: Simplify right side
    228,147.58x = 41,335,379,929.94
  5. Step 5: Solve for x
    x = 41,335,379,929.94/228,147.58
  6. Step 6: Final answer
    x = 181,178.25

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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.