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Finding the Fourth Proportional to 140,300.30, 210,450.45 and 140,300.30

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Solution

The fourth proportional to 140,300.30, 210,450.45 and 140,300.30 is: 210,450.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,300.30 : 210,450.45 = 140,300.30 : x
  2. Step 2: Convert to fraction form
    140,300.30/210,450.45 = 140,300.30/x
  3. Step 3: Cross multiply
    140,300.30x = 210,450.45 × 140,300.30
  4. Step 4: Simplify right side
    140,300.30x = 29,526,261,270.14
  5. Step 5: Solve for x
    x = 29,526,261,270.14/140,300.30
  6. Step 6: Final answer
    x = 210,450.45

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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.