Home / 346,297.20-519,337.80-135,999.60

Finding the Fourth Proportional to 346,297.20, 519,337.80 and 135,999.60

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Solution

The fourth proportional to 346,297.20, 519,337.80 and 135,999.60 is: 203,956.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,297.20 : 519,337.80 = 135,999.60 : x
  2. Step 2: Convert to fraction form
    346,297.20/519,337.80 = 135,999.60/x
  3. Step 3: Cross multiply
    346,297.20x = 519,337.80 × 135,999.60
  4. Step 4: Simplify right side
    346,297.20x = 70,629,733,064.88
  5. Step 5: Solve for x
    x = 70,629,733,064.88/346,297.20
  6. Step 6: Final answer
    x = 203,956.99

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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.