Home / 348,057.20-522,085.80-111,407.60

Finding the Fourth Proportional to 348,057.20, 522,085.80 and 111,407.60

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Solution

The fourth proportional to 348,057.20, 522,085.80 and 111,407.60 is: 167,111.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,057.20 : 522,085.80 = 111,407.60 : x
  2. Step 2: Convert to fraction form
    348,057.20/522,085.80 = 111,407.60/x
  3. Step 3: Cross multiply
    348,057.20x = 522,085.80 × 111,407.60
  4. Step 4: Simplify right side
    348,057.20x = 58,164,325,972.08
  5. Step 5: Solve for x
    x = 58,164,325,972.08/348,057.20
  6. Step 6: Final answer
    x = 167,111.40

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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.