Home / 276,355.08-381,365.46-155,496.24

Finding the Fourth Proportional to 276,355.08, 381,365.46 and 155,496.24

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Solution

The fourth proportional to 276,355.08, 381,365.46 and 155,496.24 is: 214,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,355.08 : 381,365.46 = 155,496.24 : x
  2. Step 2: Convert to fraction form
    276,355.08/381,365.46 = 155,496.24/x
  3. Step 3: Cross multiply
    276,355.08x = 381,365.46 × 155,496.24
  4. Step 4: Simplify right side
    276,355.08x = 59,300,895,095.87
  5. Step 5: Solve for x
    x = 59,300,895,095.87/276,355.08
  6. Step 6: Final answer
    x = 214,582.25

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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.