Home / 317,942.32-438,771.18-174,707.50

Finding the Fourth Proportional to 317,942.32, 438,771.18 and 174,707.50

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Solution

The fourth proportional to 317,942.32, 438,771.18 and 174,707.50 is: 241,102.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,942.32 : 438,771.18 = 174,707.50 : x
  2. Step 2: Convert to fraction form
    317,942.32/438,771.18 = 174,707.50/x
  3. Step 3: Cross multiply
    317,942.32x = 438,771.18 × 174,707.50
  4. Step 4: Simplify right side
    317,942.32x = 76,656,615,929.85
  5. Step 5: Solve for x
    x = 76,656,615,929.85/317,942.32
  6. Step 6: Final answer
    x = 241,102.27

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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.