Home / 346,796.20-520,086.30-136,498.60

Finding the Fourth Proportional to 346,796.20, 520,086.30 and 136,498.60

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Solution

The fourth proportional to 346,796.20, 520,086.30 and 136,498.60 is: 204,705.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,796.20 : 520,086.30 = 136,498.60 : x
  2. Step 2: Convert to fraction form
    346,796.20/520,086.30 = 136,498.60/x
  3. Step 3: Cross multiply
    346,796.20x = 520,086.30 × 136,498.60
  4. Step 4: Simplify right side
    346,796.20x = 70,991,051,829.18
  5. Step 5: Solve for x
    x = 70,991,051,829.18/346,796.20
  6. Step 6: Final answer
    x = 204,705.39

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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.