Home / 404,404.20-558,079.74-223,116.12

Finding the Fourth Proportional to 404,404.20, 558,079.74 and 223,116.12

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Solution

The fourth proportional to 404,404.20, 558,079.74 and 223,116.12 is: 307,901.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,404.20 : 558,079.74 = 223,116.12 : x
  2. Step 2: Convert to fraction form
    404,404.20/558,079.74 = 223,116.12/x
  3. Step 3: Cross multiply
    404,404.20x = 558,079.74 × 223,116.12
  4. Step 4: Simplify right side
    404,404.20x = 124,516,586,239.41
  5. Step 5: Solve for x
    x = 124,516,586,239.41/404,404.20
  6. Step 6: Final answer
    x = 307,901.32

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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.