Home / 228,210.36-342,358.42-103,560.12

Finding the Fourth Proportional to 228,210.36, 342,358.42 and 103,560.12

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Solution

The fourth proportional to 228,210.36, 342,358.42 and 103,560.12 is: 155,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,210.36 : 342,358.42 = 103,560.12 : x
  2. Step 2: Convert to fraction form
    228,210.36/342,358.42 = 103,560.12/x
  3. Step 3: Cross multiply
    228,210.36x = 342,358.42 × 103,560.12
  4. Step 4: Simplify right side
    228,210.36x = 35,454,679,058.21
  5. Step 5: Solve for x
    x = 35,454,679,058.21/228,210.36
  6. Step 6: Final answer
    x = 155,359.64

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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.