Home / 228,208.36-342,355.42-103,558.12

Finding the Fourth Proportional to 228,208.36, 342,355.42 and 103,558.12

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Solution

The fourth proportional to 228,208.36, 342,355.42 and 103,558.12 is: 155,356.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,208.36 : 342,355.42 = 103,558.12 : x
  2. Step 2: Convert to fraction form
    228,208.36/342,355.42 = 103,558.12/x
  3. Step 3: Cross multiply
    228,208.36x = 342,355.42 × 103,558.12
  4. Step 4: Simplify right side
    228,208.36x = 35,453,683,667.01
  5. Step 5: Solve for x
    x = 35,453,683,667.01/228,208.36
  6. Step 6: Final answer
    x = 155,356.64

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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.