Home / 346,611.72-478,242.20-201,331.18

Finding the Fourth Proportional to 346,611.72, 478,242.20 and 201,331.18

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Solution

The fourth proportional to 346,611.72, 478,242.20 and 201,331.18 is: 277,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,611.72 : 478,242.20 = 201,331.18 : x
  2. Step 2: Convert to fraction form
    346,611.72/478,242.20 = 201,331.18/x
  3. Step 3: Cross multiply
    346,611.72x = 478,242.20 × 201,331.18
  4. Step 4: Simplify right side
    346,611.72x = 96,285,065,759.52
  5. Step 5: Solve for x
    x = 96,285,065,759.52/346,611.72
  6. Step 6: Final answer
    x = 277,789.41

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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.