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Finding the Fourth Proportional to 202,282.45, 282,670.55 and 202,282.45

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Solution

The fourth proportional to 202,282.45, 282,670.55 and 202,282.45 is: 282,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,282.45 : 282,670.55 = 202,282.45 : x
  2. Step 2: Convert to fraction form
    202,282.45/282,670.55 = 202,282.45/x
  3. Step 3: Cross multiply
    202,282.45x = 282,670.55 × 202,282.45
  4. Step 4: Simplify right side
    202,282.45x = 57,179,291,396.85
  5. Step 5: Solve for x
    x = 57,179,291,396.85/202,282.45
  6. Step 6: Final answer
    x = 282,670.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.