Home / 348,544.80-522,890.10-111,911.40

Finding the Fourth Proportional to 348,544.80, 522,890.10 and 111,911.40

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Solution

The fourth proportional to 348,544.80, 522,890.10 and 111,911.40 is: 167,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,544.80 : 522,890.10 = 111,911.40 : x
  2. Step 2: Convert to fraction form
    348,544.80/522,890.10 = 111,911.40/x
  3. Step 3: Cross multiply
    348,544.80x = 522,890.10 × 111,911.40
  4. Step 4: Simplify right side
    348,544.80x = 58,517,363,137.14
  5. Step 5: Solve for x
    x = 58,517,363,137.14/348,544.80
  6. Step 6: Final answer
    x = 167,890.51

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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.