Home / 372,017.08-513,360.58-208,664.60

Finding the Fourth Proportional to 372,017.08, 513,360.58 and 208,664.60

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Solution

The fourth proportional to 372,017.08, 513,360.58 and 208,664.60 is: 287,944.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,017.08 : 513,360.58 = 208,664.60 : x
  2. Step 2: Convert to fraction form
    372,017.08/513,360.58 = 208,664.60/x
  3. Step 3: Cross multiply
    372,017.08x = 513,360.58 × 208,664.60
  4. Step 4: Simplify right side
    372,017.08x = 107,120,180,081.47
  5. Step 5: Solve for x
    x = 107,120,180,081.47/372,017.08
  6. Step 6: Final answer
    x = 287,944.25

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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.