Home / 292,215.72-438,336.06-114,761.19

Finding the Fourth Proportional to 292,215.72, 438,336.06 and 114,761.19

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Solution

The fourth proportional to 292,215.72, 438,336.06 and 114,761.19 is: 172,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,215.72 : 438,336.06 = 114,761.19 : x
  2. Step 2: Convert to fraction form
    292,215.72/438,336.06 = 114,761.19/x
  3. Step 3: Cross multiply
    292,215.72x = 438,336.06 × 114,761.19
  4. Step 4: Simplify right side
    292,215.72x = 50,303,967,865.51
  5. Step 5: Solve for x
    x = 50,303,967,865.51/292,215.72
  6. Step 6: Final answer
    x = 172,146.69

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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.