Home / 317,529.50-438,192.11-174,290.72

Finding the Fourth Proportional to 317,529.50, 438,192.11 and 174,290.72

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Solution

The fourth proportional to 317,529.50, 438,192.11 and 174,290.72 is: 240,521.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,529.50 : 438,192.11 = 174,290.72 : x
  2. Step 2: Convert to fraction form
    317,529.50/438,192.11 = 174,290.72/x
  3. Step 3: Cross multiply
    317,529.50x = 438,192.11 × 174,290.72
  4. Step 4: Simplify right side
    317,529.50x = 76,372,816,594.99
  5. Step 5: Solve for x
    x = 76,372,816,594.99/317,529.50
  6. Step 6: Final answer
    x = 240,521.96

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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.