Home / 348,026.70-522,040.05-214,473.90

Finding the Fourth Proportional to 348,026.70, 522,040.05 and 214,473.90

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Solution

The fourth proportional to 348,026.70, 522,040.05 and 214,473.90 is: 321,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,026.70 : 522,040.05 = 214,473.90 : x
  2. Step 2: Convert to fraction form
    348,026.70/522,040.05 = 214,473.90/x
  3. Step 3: Cross multiply
    348,026.70x = 522,040.05 × 214,473.90
  4. Step 4: Simplify right side
    348,026.70x = 111,963,965,479.70
  5. Step 5: Solve for x
    x = 111,963,965,479.70/348,026.70
  6. Step 6: Final answer
    x = 321,710.85

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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.