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Finding the Fourth Proportional to 242,252.80, 339,430.40 and 242,252.80

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Solution

The fourth proportional to 242,252.80, 339,430.40 and 242,252.80 is: 339,430.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,252.80 : 339,430.40 = 242,252.80 : x
  2. Step 2: Convert to fraction form
    242,252.80/339,430.40 = 242,252.80/x
  3. Step 3: Cross multiply
    242,252.80x = 339,430.40 × 242,252.80
  4. Step 4: Simplify right side
    242,252.80x = 82,227,964,805.12
  5. Step 5: Solve for x
    x = 82,227,964,805.12/242,252.80
  6. Step 6: Final answer
    x = 339,430.40

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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.