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Finding the Fourth Proportional to 408,256.96, 612,458.88 and 168,237.22

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Solution

The fourth proportional to 408,256.96, 612,458.88 and 168,237.22 is: 252,386.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,256.96 : 612,458.88 = 168,237.22 : x
  2. Step 2: Convert to fraction form
    408,256.96/612,458.88 = 168,237.22/x
  3. Step 3: Cross multiply
    408,256.96x = 612,458.88 × 168,237.22
  4. Step 4: Simplify right side
    408,256.96x = 103,038,379,335.51
  5. Step 5: Solve for x
    x = 103,038,379,335.51/408,256.96
  6. Step 6: Final answer
    x = 252,386.09

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1.5x scale

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.