Home / 515,003.04-772,356.94-155,208.74

Finding the Fourth Proportional to 515,003.04, 772,356.94 and 155,208.74

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Solution

The fourth proportional to 515,003.04, 772,356.94 and 155,208.74 is: 232,768.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,003.04 : 772,356.94 = 155,208.74 : x
  2. Step 2: Convert to fraction form
    515,003.04/772,356.94 = 155,208.74/x
  3. Step 3: Cross multiply
    515,003.04x = 772,356.94 × 155,208.74
  4. Step 4: Simplify right side
    515,003.04x = 119,876,543,237.85
  5. Step 5: Solve for x
    x = 119,876,543,237.85/515,003.04
  6. Step 6: Final answer
    x = 232,768.61

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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.