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Finding the Fourth Proportional to 446,901.60, 670,611.60 and 166,447.20

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Solution

The fourth proportional to 446,901.60, 670,611.60 and 166,447.20 is: 249,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,901.60 : 670,611.60 = 166,447.20 : x
  2. Step 2: Convert to fraction form
    446,901.60/670,611.60 = 166,447.20/x
  3. Step 3: Cross multiply
    446,901.60x = 670,611.60 × 166,447.20
  4. Step 4: Simplify right side
    446,901.60x = 111,621,423,107.52
  5. Step 5: Solve for x
    x = 111,621,423,107.52/446,901.60
  6. Step 6: Final answer
    x = 249,767.34

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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.