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Finding the Fourth Proportional to 317,775.36, 438,423.30 and 179,935.45

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Solution

The fourth proportional to 317,775.36, 438,423.30 and 179,935.45 is: 248,250.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,775.36 : 438,423.30 = 179,935.45 : x
  2. Step 2: Convert to fraction form
    317,775.36/438,423.30 = 179,935.45/x
  3. Step 3: Cross multiply
    317,775.36x = 438,423.30 × 179,935.45
  4. Step 4: Simplify right side
    317,775.36x = 78,887,890,684.19
  5. Step 5: Solve for x
    x = 78,887,890,684.19/317,775.36
  6. Step 6: Final answer
    x = 248,250.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.