Home / 348,033.45-480,243.40-212,018.05

Finding the Fourth Proportional to 348,033.45, 480,243.40 and 212,018.05

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Solution

The fourth proportional to 348,033.45, 480,243.40 and 212,018.05 is: 292,558.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,033.45 : 480,243.40 = 212,018.05 : x
  2. Step 2: Convert to fraction form
    348,033.45/480,243.40 = 212,018.05/x
  3. Step 3: Cross multiply
    348,033.45x = 480,243.40 × 212,018.05
  4. Step 4: Simplify right side
    348,033.45x = 101,820,269,193.37
  5. Step 5: Solve for x
    x = 101,820,269,193.37/348,033.45
  6. Step 6: Final answer
    x = 292,558.86

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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.