Home / 348,037.20-522,055.80-214,484.40

Finding the Fourth Proportional to 348,037.20, 522,055.80 and 214,484.40

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Solution

The fourth proportional to 348,037.20, 522,055.80 and 214,484.40 is: 321,726.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,037.20 : 522,055.80 = 214,484.40 : x
  2. Step 2: Convert to fraction form
    348,037.20/522,055.80 = 214,484.40/x
  3. Step 3: Cross multiply
    348,037.20x = 522,055.80 × 214,484.40
  4. Step 4: Simplify right side
    348,037.20x = 111,972,825,029.52
  5. Step 5: Solve for x
    x = 111,972,825,029.52/348,037.20
  6. Step 6: Final answer
    x = 321,726.60

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1.5x scale

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.