Home / 247,401.67-341,415.77-139,994.15

Finding the Fourth Proportional to 247,401.67, 341,415.77 and 139,994.15

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Solution

The fourth proportional to 247,401.67, 341,415.77 and 139,994.15 is: 193,192.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,401.67 : 341,415.77 = 139,994.15 : x
  2. Step 2: Convert to fraction form
    247,401.67/341,415.77 = 139,994.15/x
  3. Step 3: Cross multiply
    247,401.67x = 341,415.77 × 139,994.15
  4. Step 4: Simplify right side
    247,401.67x = 47,796,209,817.77
  5. Step 5: Solve for x
    x = 47,796,209,817.77/247,401.67
  6. Step 6: Final answer
    x = 193,192.76

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1.5x scale

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.