Home / 434,456.13-650,835.80-206,427.23

Finding the Fourth Proportional to 434,456.13, 650,835.80 and 206,427.23

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Solution

The fourth proportional to 434,456.13, 650,835.80 and 206,427.23 is: 309,237.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,456.13 : 650,835.80 = 206,427.23 : x
  2. Step 2: Convert to fraction form
    434,456.13/650,835.80 = 206,427.23/x
  3. Step 3: Cross multiply
    434,456.13x = 650,835.80 × 206,427.23
  4. Step 4: Simplify right side
    434,456.13x = 134,350,230,307.26
  5. Step 5: Solve for x
    x = 134,350,230,307.26/434,456.13
  6. Step 6: Final answer
    x = 309,237.73

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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.