Home / 228,056.30-342,084.45-103,640.30

Finding the Fourth Proportional to 228,056.30, 342,084.45 and 103,640.30

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Solution

The fourth proportional to 228,056.30, 342,084.45 and 103,640.30 is: 155,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,056.30 : 342,084.45 = 103,640.30 : x
  2. Step 2: Convert to fraction form
    228,056.30/342,084.45 = 103,640.30/x
  3. Step 3: Cross multiply
    228,056.30x = 342,084.45 × 103,640.30
  4. Step 4: Simplify right side
    228,056.30x = 35,453,735,023.34
  5. Step 5: Solve for x
    x = 35,453,735,023.34/228,056.30
  6. Step 6: Final answer
    x = 155,460.45

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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.