Home / 276,634.34-381,751.63-155,777.07

Finding the Fourth Proportional to 276,634.34, 381,751.63 and 155,777.07

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Solution

The fourth proportional to 276,634.34, 381,751.63 and 155,777.07 is: 214,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,634.34 : 381,751.63 = 155,777.07 : x
  2. Step 2: Convert to fraction form
    276,634.34/381,751.63 = 155,777.07/x
  3. Step 3: Cross multiply
    276,634.34x = 381,751.63 × 155,777.07
  4. Step 4: Simplify right side
    276,634.34x = 59,468,152,307.50
  5. Step 5: Solve for x
    x = 59,468,152,307.50/276,634.34
  6. Step 6: Final answer
    x = 214,970.25

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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.