Home / 347,725.30-521,587.95-189,867.64

Finding the Fourth Proportional to 347,725.30, 521,587.95 and 189,867.64

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Solution

The fourth proportional to 347,725.30, 521,587.95 and 189,867.64 is: 284,801.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,725.30 : 521,587.95 = 189,867.64 : x
  2. Step 2: Convert to fraction form
    347,725.30/521,587.95 = 189,867.64/x
  3. Step 3: Cross multiply
    347,725.30x = 521,587.95 × 189,867.64
  4. Step 4: Simplify right side
    347,725.30x = 99,032,670,511.00
  5. Step 5: Solve for x
    x = 99,032,670,511.00/347,725.30
  6. Step 6: Final answer
    x = 284,801.46

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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.