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Finding the Fourth Proportional to 286,980.42, 395,925.96 and 179,509.62

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Solution

The fourth proportional to 286,980.42, 395,925.96 and 179,509.62 is: 247,656.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,980.42 : 395,925.96 = 179,509.62 : x
  2. Step 2: Convert to fraction form
    286,980.42/395,925.96 = 179,509.62/x
  3. Step 3: Cross multiply
    286,980.42x = 395,925.96 × 179,509.62
  4. Step 4: Simplify right side
    286,980.42x = 71,072,518,627.74
  5. Step 5: Solve for x
    x = 71,072,518,627.74/286,980.42
  6. Step 6: Final answer
    x = 247,656.33

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1.5x scale

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.