Home / 228,239.10-341,702.55-139,665.60

Finding the Fourth Proportional to 228,239.10, 341,702.55 and 139,665.60

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Solution

The fourth proportional to 228,239.10, 341,702.55 and 139,665.60 is: 209,096.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,239.10 : 341,702.55 = 139,665.60 : x
  2. Step 2: Convert to fraction form
    228,239.10/341,702.55 = 139,665.60/x
  3. Step 3: Cross multiply
    228,239.10x = 341,702.55 × 139,665.60
  4. Step 4: Simplify right side
    228,239.10x = 47,724,091,667.28
  5. Step 5: Solve for x
    x = 47,724,091,667.28/228,239.10
  6. Step 6: Final answer
    x = 209,096.91

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1.5x scale

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.