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Finding the Fourth Proportional to 245,051.40, 343,771.80 and 245,051.40

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Solution

The fourth proportional to 245,051.40, 343,771.80 and 245,051.40 is: 343,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,051.40 : 343,771.80 = 245,051.40 : x
  2. Step 2: Convert to fraction form
    245,051.40/343,771.80 = 245,051.40/x
  3. Step 3: Cross multiply
    245,051.40x = 343,771.80 × 245,051.40
  4. Step 4: Simplify right side
    245,051.40x = 84,241,760,870.52
  5. Step 5: Solve for x
    x = 84,241,760,870.52/245,051.40
  6. Step 6: Final answer
    x = 343,771.80

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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.