Home / 354,869.52-489,721.05-227,545.62

Finding the Fourth Proportional to 354,869.52, 489,721.05 and 227,545.62

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Solution

The fourth proportional to 354,869.52, 489,721.05 and 227,545.62 is: 314,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,869.52 : 489,721.05 = 227,545.62 : x
  2. Step 2: Convert to fraction form
    354,869.52/489,721.05 = 227,545.62/x
  3. Step 3: Cross multiply
    354,869.52x = 489,721.05 × 227,545.62
  4. Step 4: Simplify right side
    354,869.52x = 111,433,879,949.30
  5. Step 5: Solve for x
    x = 111,433,879,949.30/354,869.52
  6. Step 6: Final answer
    x = 314,013.67

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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.