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Finding the Fourth Proportional to 245,312.80, 342,650.60 and 245,312.80

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Solution

The fourth proportional to 245,312.80, 342,650.60 and 245,312.80 is: 342,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,312.80 : 342,650.60 = 245,312.80 : x
  2. Step 2: Convert to fraction form
    245,312.80/342,650.60 = 245,312.80/x
  3. Step 3: Cross multiply
    245,312.80x = 342,650.60 × 245,312.80
  4. Step 4: Simplify right side
    245,312.80x = 84,056,578,107.68
  5. Step 5: Solve for x
    x = 84,056,578,107.68/245,312.80
  6. Step 6: Final answer
    x = 342,650.60

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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.