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Finding the Fourth Proportional to 349,801.60, 525,285.60 and 231,995.20

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Solution

The fourth proportional to 349,801.60, 525,285.60 and 231,995.20 is: 348,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,801.60 : 525,285.60 = 231,995.20 : x
  2. Step 2: Convert to fraction form
    349,801.60/525,285.60 = 231,995.20/x
  3. Step 3: Cross multiply
    349,801.60x = 525,285.60 × 231,995.20
  4. Step 4: Simplify right side
    349,801.60x = 121,863,737,829.12
  5. Step 5: Solve for x
    x = 121,863,737,829.12/349,801.60
  6. Step 6: Final answer
    x = 348,379.59

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1.5x scale

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.