Home / 354,946.01-489,754.18-225,936.41

Finding the Fourth Proportional to 354,946.01, 489,754.18 and 225,936.41

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Solution

The fourth proportional to 354,946.01, 489,754.18 and 225,936.41 is: 311,746.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,946.01 : 489,754.18 = 225,936.41 : x
  2. Step 2: Convert to fraction form
    354,946.01/489,754.18 = 225,936.41/x
  3. Step 3: Cross multiply
    354,946.01x = 489,754.18 × 225,936.41
  4. Step 4: Simplify right side
    354,946.01x = 110,653,301,211.69
  5. Step 5: Solve for x
    x = 110,653,301,211.69/354,946.01
  6. Step 6: Final answer
    x = 311,746.85

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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.