Home / 317,664.63-438,377.67-174,433.82

Finding the Fourth Proportional to 317,664.63, 438,377.67 and 174,433.82

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Solution

The fourth proportional to 317,664.63, 438,377.67 and 174,433.82 is: 240,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,664.63 : 438,377.67 = 174,433.82 : x
  2. Step 2: Convert to fraction form
    317,664.63/438,377.67 = 174,433.82/x
  3. Step 3: Cross multiply
    317,664.63x = 438,377.67 × 174,433.82
  4. Step 4: Simplify right side
    317,664.63x = 76,467,889,388.91
  5. Step 5: Solve for x
    x = 76,467,889,388.91/317,664.63
  6. Step 6: Final answer
    x = 240,718.93

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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.