Home / 380,072.27-570,017.69-113,761.28

Finding the Fourth Proportional to 380,072.27, 570,017.69 and 113,761.28

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Solution

The fourth proportional to 380,072.27, 570,017.69 and 113,761.28 is: 170,614.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,072.27 : 570,017.69 = 113,761.28 : x
  2. Step 2: Convert to fraction form
    380,072.27/570,017.69 = 113,761.28/x
  3. Step 3: Cross multiply
    380,072.27x = 570,017.69 × 113,761.28
  4. Step 4: Simplify right side
    380,072.27x = 64,845,941,468.24
  5. Step 5: Solve for x
    x = 64,845,941,468.24/380,072.27
  6. Step 6: Final answer
    x = 170,614.77

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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.