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Finding the Fourth Proportional to 336,458, 504,437.88 and 203,307.08

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Solution

The fourth proportional to 336,458, 504,437.88 and 203,307.08 is: 304,810.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,458 : 504,437.88 = 203,307.08 : x
  2. Step 2: Convert to fraction form
    336,458/504,437.88 = 203,307.08/x
  3. Step 3: Cross multiply
    336,458x = 504,437.88 × 203,307.08
  4. Step 4: Simplify right side
    336,458x = 102,555,792,424.19
  5. Step 5: Solve for x
    x = 102,555,792,424.19/336,458
  6. Step 6: Final answer
    x = 304,810.09

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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.