Home / 499,286.30-749,026.65-214,976.30

Finding the Fourth Proportional to 499,286.30, 749,026.65 and 214,976.30

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Solution

The fourth proportional to 499,286.30, 749,026.65 and 214,976.30 is: 322,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,286.30 : 749,026.65 = 214,976.30 : x
  2. Step 2: Convert to fraction form
    499,286.30/749,026.65 = 214,976.30/x
  3. Step 3: Cross multiply
    499,286.30x = 749,026.65 × 214,976.30
  4. Step 4: Simplify right side
    499,286.30x = 161,022,977,818.40
  5. Step 5: Solve for x
    x = 161,022,977,818.40/499,286.30
  6. Step 6: Final answer
    x = 322,506.30

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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.