Home / 314,828.24-472,312.44-115,144.16

Finding the Fourth Proportional to 314,828.24, 472,312.44 and 115,144.16

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Solution

The fourth proportional to 314,828.24, 472,312.44 and 115,144.16 is: 172,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,828.24 : 472,312.44 = 115,144.16 : x
  2. Step 2: Convert to fraction form
    314,828.24/472,312.44 = 115,144.16/x
  3. Step 3: Cross multiply
    314,828.24x = 472,312.44 × 115,144.16
  4. Step 4: Simplify right side
    314,828.24x = 54,384,019,161.35
  5. Step 5: Solve for x
    x = 54,384,019,161.35/314,828.24
  6. Step 6: Final answer
    x = 172,741.87

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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.