Home / 380,313.50-524,812.67-208,198.47

Finding the Fourth Proportional to 380,313.50, 524,812.67 and 208,198.47

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Solution

The fourth proportional to 380,313.50, 524,812.67 and 208,198.47 is: 287,302.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,313.50 : 524,812.67 = 208,198.47 : x
  2. Step 2: Convert to fraction form
    380,313.50/524,812.67 = 208,198.47/x
  3. Step 3: Cross multiply
    380,313.50x = 524,812.67 × 208,198.47
  4. Step 4: Simplify right side
    380,313.50x = 109,265,194,139.08
  5. Step 5: Solve for x
    x = 109,265,194,139.08/380,313.50
  6. Step 6: Final answer
    x = 287,302.96

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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.