Home / 315,952.07-436,092.21-180,066.61

Finding the Fourth Proportional to 315,952.07, 436,092.21 and 180,066.61

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Solution

The fourth proportional to 315,952.07, 436,092.21 and 180,066.61 is: 248,536.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,952.07 : 436,092.21 = 180,066.61 : x
  2. Step 2: Convert to fraction form
    315,952.07/436,092.21 = 180,066.61/x
  3. Step 3: Cross multiply
    315,952.07x = 436,092.21 × 180,066.61
  4. Step 4: Simplify right side
    315,952.07x = 78,525,642,821.31
  5. Step 5: Solve for x
    x = 78,525,642,821.31/315,952.07
  6. Step 6: Final answer
    x = 248,536.57

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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.