Home / 247,404.12-370,478.14-207,317.76

Finding the Fourth Proportional to 247,404.12, 370,478.14 and 207,317.76

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Solution

The fourth proportional to 247,404.12, 370,478.14 and 207,317.76 is: 310,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,404.12 : 370,478.14 = 207,317.76 : x
  2. Step 2: Convert to fraction form
    247,404.12/370,478.14 = 207,317.76/x
  3. Step 3: Cross multiply
    247,404.12x = 370,478.14 × 207,317.76
  4. Step 4: Simplify right side
    247,404.12x = 76,806,698,113.77
  5. Step 5: Solve for x
    x = 76,806,698,113.77/247,404.12
  6. Step 6: Final answer
    x = 310,450.36

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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.