Home / 317,629.28-438,329.27-174,398.60

Finding the Fourth Proportional to 317,629.28, 438,329.27 and 174,398.60

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Solution

The fourth proportional to 317,629.28, 438,329.27 and 174,398.60 is: 240,670.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,629.28 : 438,329.27 = 174,398.60 : x
  2. Step 2: Convert to fraction form
    317,629.28/438,329.27 = 174,398.60/x
  3. Step 3: Cross multiply
    317,629.28x = 438,329.27 × 174,398.60
  4. Step 4: Simplify right side
    317,629.28x = 76,444,011,027.02
  5. Step 5: Solve for x
    x = 76,444,011,027.02/317,629.28
  6. Step 6: Final answer
    x = 240,670.54

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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.