Home / 317,447.10-438,089.58-174,212.28

Finding the Fourth Proportional to 317,447.10, 438,089.58 and 174,212.28

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Solution

The fourth proportional to 317,447.10, 438,089.58 and 174,212.28 is: 240,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,447.10 : 438,089.58 = 174,212.28 : x
  2. Step 2: Convert to fraction form
    317,447.10/438,089.58 = 174,212.28/x
  3. Step 3: Cross multiply
    317,447.10x = 438,089.58 × 174,212.28
  4. Step 4: Simplify right side
    317,447.10x = 76,320,584,576.04
  5. Step 5: Solve for x
    x = 76,320,584,576.04/317,447.10
  6. Step 6: Final answer
    x = 240,419.85

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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.