Home / 276,095.16-381,011.94-155,237.48

Finding the Fourth Proportional to 276,095.16, 381,011.94 and 155,237.48

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Solution

The fourth proportional to 276,095.16, 381,011.94 and 155,237.48 is: 214,228.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,095.16 : 381,011.94 = 155,237.48 : x
  2. Step 2: Convert to fraction form
    276,095.16/381,011.94 = 155,237.48/x
  3. Step 3: Cross multiply
    276,095.16x = 381,011.94 × 155,237.48
  4. Step 4: Simplify right side
    276,095.16x = 59,147,333,415.51
  5. Step 5: Solve for x
    x = 59,147,333,415.51/276,095.16
  6. Step 6: Final answer
    x = 214,228.07

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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.