Home / 404,727.50-607,121.22-155,409.50

Finding the Fourth Proportional to 404,727.50, 607,121.22 and 155,409.50

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Solution

The fourth proportional to 404,727.50, 607,121.22 and 155,409.50 is: 233,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,727.50 : 607,121.22 = 155,409.50 : x
  2. Step 2: Convert to fraction form
    404,727.50/607,121.22 = 155,409.50/x
  3. Step 3: Cross multiply
    404,727.50x = 607,121.22 × 155,409.50
  4. Step 4: Simplify right side
    404,727.50x = 94,352,405,239.59
  5. Step 5: Solve for x
    x = 94,352,405,239.59/404,727.50
  6. Step 6: Final answer
    x = 233,125.76

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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.