Home / 830,201.81-1,245,280.82-231,138.77

Finding the Fourth Proportional to 830,201.81, 1,245,280.82 and 231,138.77

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Solution

The fourth proportional to 830,201.81, 1,245,280.82 and 231,138.77 is: 346,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,201.81 : 1,245,280.82 = 231,138.77 : x
  2. Step 2: Convert to fraction form
    830,201.81/1,245,280.82 = 231,138.77/x
  3. Step 3: Cross multiply
    830,201.81x = 1,245,280.82 × 231,138.77
  4. Step 4: Simplify right side
    830,201.81x = 287,832,678,996.90
  5. Step 5: Solve for x
    x = 287,832,678,996.90/830,201.81
  6. Step 6: Final answer
    x = 346,702.06

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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.