Home / 353,120.02-487,295.48-200,172.36

Finding the Fourth Proportional to 353,120.02, 487,295.48 and 200,172.36

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Solution

The fourth proportional to 353,120.02, 487,295.48 and 200,172.36 is: 276,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,120.02 : 487,295.48 = 200,172.36 : x
  2. Step 2: Convert to fraction form
    353,120.02/487,295.48 = 200,172.36/x
  3. Step 3: Cross multiply
    353,120.02x = 487,295.48 × 200,172.36
  4. Step 4: Simplify right side
    353,120.02x = 97,543,086,248.93
  5. Step 5: Solve for x
    x = 97,543,086,248.93/353,120.02
  6. Step 6: Final answer
    x = 276,232.10

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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.