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Finding the Fourth Proportional to 403,704, 557,111.52 and 224,867.52

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Solution

The fourth proportional to 403,704, 557,111.52 and 224,867.52 is: 310,317.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,704 : 557,111.52 = 224,867.52 : x
  2. Step 2: Convert to fraction form
    403,704/557,111.52 = 224,867.52/x
  3. Step 3: Cross multiply
    403,704x = 557,111.52 × 224,867.52
  4. Step 4: Simplify right side
    403,704x = 125,276,285,865.83
  5. Step 5: Solve for x
    x = 125,276,285,865.83/403,704
  6. Step 6: Final answer
    x = 310,317.18

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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.