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Finding the Fourth Proportional to 452,907.40, 679,362.72 and 137,367.04

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Solution

The fourth proportional to 452,907.40, 679,362.72 and 137,367.04 is: 206,051.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,907.40 : 679,362.72 = 137,367.04 : x
  2. Step 2: Convert to fraction form
    452,907.40/679,362.72 = 137,367.04/x
  3. Step 3: Cross multiply
    452,907.40x = 679,362.72 × 137,367.04
  4. Step 4: Simplify right side
    452,907.40x = 93,322,045,932.75
  5. Step 5: Solve for x
    x = 93,322,045,932.75/452,907.40
  6. Step 6: Final answer
    x = 206,051.05

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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.