Home / 208,378.07-312,567.11-50,605.46

Finding the Fourth Proportional to 208,378.07, 312,567.11 and 50,605.46

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Solution

The fourth proportional to 208,378.07, 312,567.11 and 50,605.46 is: 75,908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,378.07 : 312,567.11 = 50,605.46 : x
  2. Step 2: Convert to fraction form
    208,378.07/312,567.11 = 50,605.46/x
  3. Step 3: Cross multiply
    208,378.07x = 312,567.11 × 50,605.46
  4. Step 4: Simplify right side
    208,378.07x = 15,817,602,129.39
  5. Step 5: Solve for x
    x = 15,817,602,129.39/208,378.07
  6. Step 6: Final answer
    x = 75,908.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.