Home / 389,918.60-584,877.90-168,302.60

Finding the Fourth Proportional to 389,918.60, 584,877.90 and 168,302.60

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Solution

The fourth proportional to 389,918.60, 584,877.90 and 168,302.60 is: 252,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,918.60 : 584,877.90 = 168,302.60 : x
  2. Step 2: Convert to fraction form
    389,918.60/584,877.90 = 168,302.60/x
  3. Step 3: Cross multiply
    389,918.60x = 584,877.90 × 168,302.60
  4. Step 4: Simplify right side
    389,918.60x = 98,436,471,252.54
  5. Step 5: Solve for x
    x = 98,436,471,252.54/389,918.60
  6. Step 6: Final answer
    x = 252,453.90

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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.