Home / 286,520.39-429,794.85-109,041.15

Finding the Fourth Proportional to 286,520.39, 429,794.85 and 109,041.15

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Solution

The fourth proportional to 286,520.39, 429,794.85 and 109,041.15 is: 163,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,520.39 : 429,794.85 = 109,041.15 : x
  2. Step 2: Convert to fraction form
    286,520.39/429,794.85 = 109,041.15/x
  3. Step 3: Cross multiply
    286,520.39x = 429,794.85 × 109,041.15
  4. Step 4: Simplify right side
    286,520.39x = 46,865,324,708.08
  5. Step 5: Solve for x
    x = 46,865,324,708.08/286,520.39
  6. Step 6: Final answer
    x = 163,567.16

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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.