Home / 348,004.32-522,009.54-137,642.22

Finding the Fourth Proportional to 348,004.32, 522,009.54 and 137,642.22

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Solution

The fourth proportional to 348,004.32, 522,009.54 and 137,642.22 is: 206,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,004.32 : 522,009.54 = 137,642.22 : x
  2. Step 2: Convert to fraction form
    348,004.32/522,009.54 = 137,642.22/x
  3. Step 3: Cross multiply
    348,004.32x = 522,009.54 × 137,642.22
  4. Step 4: Simplify right side
    348,004.32x = 71,850,551,946.78
  5. Step 5: Solve for x
    x = 71,850,551,946.78/348,004.32
  6. Step 6: Final answer
    x = 206,464.54

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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.