Home / 380,735.81-570,979.15-178,269.24

Finding the Fourth Proportional to 380,735.81, 570,979.15 and 178,269.24

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Solution

The fourth proportional to 380,735.81, 570,979.15 and 178,269.24 is: 267,345.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,735.81 : 570,979.15 = 178,269.24 : x
  2. Step 2: Convert to fraction form
    380,735.81/570,979.15 = 178,269.24/x
  3. Step 3: Cross multiply
    380,735.81x = 570,979.15 × 178,269.24
  4. Step 4: Simplify right side
    380,735.81x = 101,788,020,821.85
  5. Step 5: Solve for x
    x = 101,788,020,821.85/380,735.81
  6. Step 6: Final answer
    x = 267,345.54

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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.