Home / 354,870.02-489,721.74-227,546.12

Finding the Fourth Proportional to 354,870.02, 489,721.74 and 227,546.12

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Solution

The fourth proportional to 354,870.02, 489,721.74 and 227,546.12 is: 314,014.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,870.02 : 489,721.74 = 227,546.12 : x
  2. Step 2: Convert to fraction form
    354,870.02/489,721.74 = 227,546.12/x
  3. Step 3: Cross multiply
    354,870.02x = 489,721.74 × 227,546.12
  4. Step 4: Simplify right side
    354,870.02x = 111,434,281,816.65
  5. Step 5: Solve for x
    x = 111,434,281,816.65/354,870.02
  6. Step 6: Final answer
    x = 314,014.36

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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.