Home / 317,403.45-438,015.56-174,165.89

Finding the Fourth Proportional to 317,403.45, 438,015.56 and 174,165.89

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Solution

The fourth proportional to 317,403.45, 438,015.56 and 174,165.89 is: 240,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,403.45 : 438,015.56 = 174,165.89 : x
  2. Step 2: Convert to fraction form
    317,403.45/438,015.56 = 174,165.89/x
  3. Step 3: Cross multiply
    317,403.45x = 438,015.56 × 174,165.89
  4. Step 4: Simplify right side
    317,403.45x = 76,287,369,236.86
  5. Step 5: Solve for x
    x = 76,287,369,236.86/317,403.45
  6. Step 6: Final answer
    x = 240,348.27

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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.