Home / 276,365.07-381,430.22-160,061.49

Finding the Fourth Proportional to 276,365.07, 381,430.22 and 160,061.49

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Solution

The fourth proportional to 276,365.07, 381,430.22 and 160,061.49 is: 220,911.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,365.07 : 381,430.22 = 160,061.49 : x
  2. Step 2: Convert to fraction form
    276,365.07/381,430.22 = 160,061.49/x
  3. Step 3: Cross multiply
    276,365.07x = 381,430.22 × 160,061.49
  4. Step 4: Simplify right side
    276,365.07x = 61,052,288,543.92
  5. Step 5: Solve for x
    x = 61,052,288,543.92/276,365.07
  6. Step 6: Final answer
    x = 220,911.74

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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.