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Finding the Fourth Proportional to 296,368.80, 444,599.36 and 96,642.88

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Solution

The fourth proportional to 296,368.80, 444,599.36 and 96,642.88 is: 144,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,368.80 : 444,599.36 = 96,642.88 : x
  2. Step 2: Convert to fraction form
    296,368.80/444,599.36 = 96,642.88/x
  3. Step 3: Cross multiply
    296,368.80x = 444,599.36 × 96,642.88
  4. Step 4: Simplify right side
    296,368.80x = 42,967,362,596.56
  5. Step 5: Solve for x
    x = 42,967,362,596.56/296,368.80
  6. Step 6: Final answer
    x = 144,979.37

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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.