Home / 287,177.54-429,827.27-211,255.83

Finding the Fourth Proportional to 287,177.54, 429,827.27 and 211,255.83

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Solution

The fourth proportional to 287,177.54, 429,827.27 and 211,255.83 is: 316,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,177.54 : 429,827.27 = 211,255.83 : x
  2. Step 2: Convert to fraction form
    287,177.54/429,827.27 = 211,255.83/x
  3. Step 3: Cross multiply
    287,177.54x = 429,827.27 × 211,255.83
  4. Step 4: Simplify right side
    287,177.54x = 90,803,515,624.20
  5. Step 5: Solve for x
    x = 90,803,515,624.20/287,177.54
  6. Step 6: Final answer
    x = 316,192.96

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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.