Home / 380,670.74-571,006.53-114,431.23

Finding the Fourth Proportional to 380,670.74, 571,006.53 and 114,431.23

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Solution

The fourth proportional to 380,670.74, 571,006.53 and 114,431.23 is: 171,646.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,670.74 : 571,006.53 = 114,431.23 : x
  2. Step 2: Convert to fraction form
    380,670.74/571,006.53 = 114,431.23/x
  3. Step 3: Cross multiply
    380,670.74x = 571,006.53 × 114,431.23
  4. Step 4: Simplify right side
    380,670.74x = 65,340,976,710.90
  5. Step 5: Solve for x
    x = 65,340,976,710.90/380,670.74
  6. Step 6: Final answer
    x = 171,646.96

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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.