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Finding the Fourth Proportional to 357,026.36, 492,701.38 and 195,878.48

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Solution

The fourth proportional to 357,026.36, 492,701.38 and 195,878.48 is: 270,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,026.36 : 492,701.38 = 195,878.48 : x
  2. Step 2: Convert to fraction form
    357,026.36/492,701.38 = 195,878.48/x
  3. Step 3: Cross multiply
    357,026.36x = 492,701.38 × 195,878.48
  4. Step 4: Simplify right side
    357,026.36x = 96,509,597,408.30
  5. Step 5: Solve for x
    x = 96,509,597,408.30/357,026.36
  6. Step 6: Final answer
    x = 270,315.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.