Home / 363,743.24-501,990.90-220,509.32

Finding the Fourth Proportional to 363,743.24, 501,990.90 and 220,509.32

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Solution

The fourth proportional to 363,743.24, 501,990.90 and 220,509.32 is: 304,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,743.24 : 501,990.90 = 220,509.32 : x
  2. Step 2: Convert to fraction form
    363,743.24/501,990.90 = 220,509.32/x
  3. Step 3: Cross multiply
    363,743.24x = 501,990.90 × 220,509.32
  4. Step 4: Simplify right side
    363,743.24x = 110,693,672,005.19
  5. Step 5: Solve for x
    x = 110,693,672,005.19/363,743.24
  6. Step 6: Final answer
    x = 304,318.16

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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.