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Finding the Fourth Proportional to 446,951.26, 670,447.55 and 147,458.01

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Solution

The fourth proportional to 446,951.26, 670,447.55 and 147,458.01 is: 221,193.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,951.26 : 670,447.55 = 147,458.01 : x
  2. Step 2: Convert to fraction form
    446,951.26/670,447.55 = 147,458.01/x
  3. Step 3: Cross multiply
    446,951.26x = 670,447.55 × 147,458.01
  4. Step 4: Simplify right side
    446,951.26x = 98,862,864,415.20
  5. Step 5: Solve for x
    x = 98,862,864,415.20/446,951.26
  6. Step 6: Final answer
    x = 221,193.84

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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.