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Finding the Fourth Proportional to 276,572.40, 381,717.57 and 160,269.57

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Solution

The fourth proportional to 276,572.40, 381,717.57 and 160,269.57 is: 221,199.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,572.40 : 381,717.57 = 160,269.57 : x
  2. Step 2: Convert to fraction form
    276,572.40/381,717.57 = 160,269.57/x
  3. Step 3: Cross multiply
    276,572.40x = 381,717.57 × 160,269.57
  4. Step 4: Simplify right side
    276,572.40x = 61,177,710,805.34
  5. Step 5: Solve for x
    x = 61,177,710,805.34/276,572.40
  6. Step 6: Final answer
    x = 221,199.62

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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.