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Finding the Fourth Proportional to 180,986.69, 270,010.47 and 171,188.93

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Solution

The fourth proportional to 180,986.69, 270,010.47 and 171,188.93 is: 255,393.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,986.69 : 270,010.47 = 171,188.93 : x
  2. Step 2: Convert to fraction form
    180,986.69/270,010.47 = 171,188.93/x
  3. Step 3: Cross multiply
    180,986.69x = 270,010.47 × 171,188.93
  4. Step 4: Simplify right side
    180,986.69x = 46,222,803,448.10
  5. Step 5: Solve for x
    x = 46,222,803,448.10/180,986.69
  6. Step 6: Final answer
    x = 255,393.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.