Home / 628,127.08-942,177.88-154,816.56

Finding the Fourth Proportional to 628,127.08, 942,177.88 and 154,816.56

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Solution

The fourth proportional to 628,127.08, 942,177.88 and 154,816.56 is: 232,221.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,127.08 : 942,177.88 = 154,816.56 : x
  2. Step 2: Convert to fraction form
    628,127.08/942,177.88 = 154,816.56/x
  3. Step 3: Cross multiply
    628,127.08x = 942,177.88 × 154,816.56
  4. Step 4: Simplify right side
    628,127.08x = 145,864,738,289.69
  5. Step 5: Solve for x
    x = 145,864,738,289.69/628,127.08
  6. Step 6: Final answer
    x = 232,221.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.