Home / 317,477.28-438,118.29-174,237.69

Finding the Fourth Proportional to 317,477.28, 438,118.29 and 174,237.69

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Solution

The fourth proportional to 317,477.28, 438,118.29 and 174,237.69 is: 240,447.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,477.28 : 438,118.29 = 174,237.69 : x
  2. Step 2: Convert to fraction form
    317,477.28/438,118.29 = 174,237.69/x
  3. Step 3: Cross multiply
    317,477.28x = 438,118.29 × 174,237.69
  4. Step 4: Simplify right side
    317,477.28x = 76,336,718,796.35
  5. Step 5: Solve for x
    x = 76,336,718,796.35/317,477.28
  6. Step 6: Final answer
    x = 240,447.82

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1.5x scale

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.