Home / 317,732.09-438,477.89-174,495.20

Finding the Fourth Proportional to 317,732.09, 438,477.89 and 174,495.20

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Solution

The fourth proportional to 317,732.09, 438,477.89 and 174,495.20 is: 240,807.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,732.09 : 438,477.89 = 174,495.20 : x
  2. Step 2: Convert to fraction form
    317,732.09/438,477.89 = 174,495.20/x
  3. Step 3: Cross multiply
    317,732.09x = 438,477.89 × 174,495.20
  4. Step 4: Simplify right side
    317,732.09x = 76,512,284,046.26
  5. Step 5: Solve for x
    x = 76,512,284,046.26/317,732.09
  6. Step 6: Final answer
    x = 240,807.55

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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.