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Finding the Fourth Proportional to 200,262.80, 301,050.30 and 141,505.40

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Solution

The fourth proportional to 200,262.80, 301,050.30 and 141,505.40 is: 212,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,262.80 : 301,050.30 = 141,505.40 : x
  2. Step 2: Convert to fraction form
    200,262.80/301,050.30 = 141,505.40/x
  3. Step 3: Cross multiply
    200,262.80x = 301,050.30 × 141,505.40
  4. Step 4: Simplify right side
    200,262.80x = 42,600,243,121.62
  5. Step 5: Solve for x
    x = 42,600,243,121.62/200,262.80
  6. Step 6: Final answer
    x = 212,721.70

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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.