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Finding the Fourth Proportional to 356,700.86, 492,247.07 and 195,552.45

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Solution

The fourth proportional to 356,700.86, 492,247.07 and 195,552.45 is: 269,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,700.86 : 492,247.07 = 195,552.45 : x
  2. Step 2: Convert to fraction form
    356,700.86/492,247.07 = 195,552.45/x
  3. Step 3: Cross multiply
    356,700.86x = 492,247.07 × 195,552.45
  4. Step 4: Simplify right side
    356,700.86x = 96,260,122,783.81
  5. Step 5: Solve for x
    x = 96,260,122,783.81/356,700.86
  6. Step 6: Final answer
    x = 269,862.32

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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.