Home / 388,649.84-582,974.75-151,826.45

Finding the Fourth Proportional to 388,649.84, 582,974.75 and 151,826.45

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Solution

The fourth proportional to 388,649.84, 582,974.75 and 151,826.45 is: 227,739.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,649.84 : 582,974.75 = 151,826.45 : x
  2. Step 2: Convert to fraction form
    388,649.84/582,974.75 = 151,826.45/x
  3. Step 3: Cross multiply
    388,649.84x = 582,974.75 × 151,826.45
  4. Step 4: Simplify right side
    388,649.84x = 88,510,984,196.83
  5. Step 5: Solve for x
    x = 88,510,984,196.83/388,649.84
  6. Step 6: Final answer
    x = 227,739.67

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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.