Home / 354,518.02-489,236.40-193,376.52

Finding the Fourth Proportional to 354,518.02, 489,236.40 and 193,376.52

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Solution

The fourth proportional to 354,518.02, 489,236.40 and 193,376.52 is: 266,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,518.02 : 489,236.40 = 193,376.52 : x
  2. Step 2: Convert to fraction form
    354,518.02/489,236.40 = 193,376.52/x
  3. Step 3: Cross multiply
    354,518.02x = 489,236.40 × 193,376.52
  4. Step 4: Simplify right side
    354,518.02x = 94,606,832,489.33
  5. Step 5: Solve for x
    x = 94,606,832,489.33/354,518.02
  6. Step 6: Final answer
    x = 266,860.43

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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.