Home / 286,584.23-429,468.98-211,110.86

Finding the Fourth Proportional to 286,584.23, 429,468.98 and 211,110.86

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Solution

The fourth proportional to 286,584.23, 429,468.98 and 211,110.86 is: 316,366.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,584.23 : 429,468.98 = 211,110.86 : x
  2. Step 2: Convert to fraction form
    286,584.23/429,468.98 = 211,110.86/x
  3. Step 3: Cross multiply
    286,584.23x = 429,468.98 × 211,110.86
  4. Step 4: Simplify right side
    286,584.23x = 90,665,564,655.57
  5. Step 5: Solve for x
    x = 90,665,564,655.57/286,584.23
  6. Step 6: Final answer
    x = 316,366.20

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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.