Home / 608,822.40-913,233.60-188,140.80

Finding the Fourth Proportional to 608,822.40, 913,233.60 and 188,140.80

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Solution

The fourth proportional to 608,822.40, 913,233.60 and 188,140.80 is: 282,211.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,822.40 : 913,233.60 = 188,140.80 : x
  2. Step 2: Convert to fraction form
    608,822.40/913,233.60 = 188,140.80/x
  3. Step 3: Cross multiply
    608,822.40x = 913,233.60 × 188,140.80
  4. Step 4: Simplify right side
    608,822.40x = 171,816,500,090.88
  5. Step 5: Solve for x
    x = 171,816,500,090.88/608,822.40
  6. Step 6: Final answer
    x = 282,211.20

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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.