Home / 348,028.56-480,280.32-197,125.56

Finding the Fourth Proportional to 348,028.56, 480,280.32 and 197,125.56

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Solution

The fourth proportional to 348,028.56, 480,280.32 and 197,125.56 is: 272,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,028.56 : 480,280.32 = 197,125.56 : x
  2. Step 2: Convert to fraction form
    348,028.56/480,280.32 = 197,125.56/x
  3. Step 3: Cross multiply
    348,028.56x = 480,280.32 × 197,125.56
  4. Step 4: Simplify right side
    348,028.56x = 94,675,527,036.98
  5. Step 5: Solve for x
    x = 94,675,527,036.98/348,028.56
  6. Step 6: Final answer
    x = 272,033.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.