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Finding the Fourth Proportional to 500,283.82, 750,436.80 and 180,461.26

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Solution

The fourth proportional to 500,283.82, 750,436.80 and 180,461.26 is: 270,695.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,283.82 : 750,436.80 = 180,461.26 : x
  2. Step 2: Convert to fraction form
    500,283.82/750,436.80 = 180,461.26/x
  3. Step 3: Cross multiply
    500,283.82x = 750,436.80 × 180,461.26
  4. Step 4: Simplify right side
    500,283.82x = 135,424,770,478.37
  5. Step 5: Solve for x
    x = 135,424,770,478.37/500,283.82
  6. Step 6: Final answer
    x = 270,695.88

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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.