Home / 379,766.52-524,305.20-236,720.40

Finding the Fourth Proportional to 379,766.52, 524,305.20 and 236,720.40

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Solution

The fourth proportional to 379,766.52, 524,305.20 and 236,720.40 is: 326,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,766.52 : 524,305.20 = 236,720.40 : x
  2. Step 2: Convert to fraction form
    379,766.52/524,305.20 = 236,720.40/x
  3. Step 3: Cross multiply
    379,766.52x = 524,305.20 × 236,720.40
  4. Step 4: Simplify right side
    379,766.52x = 124,113,736,666.08
  5. Step 5: Solve for x
    x = 124,113,736,666.08/379,766.52
  6. Step 6: Final answer
    x = 326,815.90

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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.