Home / 309,520.02-464,383.89-119,986.57

Finding the Fourth Proportional to 309,520.02, 464,383.89 and 119,986.57

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Solution

The fourth proportional to 309,520.02, 464,383.89 and 119,986.57 is: 180,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,520.02 : 464,383.89 = 119,986.57 : x
  2. Step 2: Convert to fraction form
    309,520.02/464,383.89 = 119,986.57/x
  3. Step 3: Cross multiply
    309,520.02x = 464,383.89 × 119,986.57
  4. Step 4: Simplify right side
    309,520.02x = 55,719,828,963.40
  5. Step 5: Solve for x
    x = 55,719,828,963.40/309,520.02
  6. Step 6: Final answer
    x = 180,020.11

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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.