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Finding the Fourth Proportional to 353,341, 487,610.58 and 202,525.48

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Solution

The fourth proportional to 353,341, 487,610.58 and 202,525.48 is: 279,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,341 : 487,610.58 = 202,525.48 : x
  2. Step 2: Convert to fraction form
    353,341/487,610.58 = 202,525.48/x
  3. Step 3: Cross multiply
    353,341x = 487,610.58 × 202,525.48
  4. Step 4: Simplify right side
    353,341x = 98,753,566,767.58
  5. Step 5: Solve for x
    x = 98,753,566,767.58/353,341
  6. Step 6: Final answer
    x = 279,485.16

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1.5x scale

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.