Home / 245,948.94-368,965.40-112,840.56

Finding the Fourth Proportional to 245,948.94, 368,965.40 and 112,840.56

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Solution

The fourth proportional to 245,948.94, 368,965.40 and 112,840.56 is: 169,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,948.94 : 368,965.40 = 112,840.56 : x
  2. Step 2: Convert to fraction form
    245,948.94/368,965.40 = 112,840.56/x
  3. Step 3: Cross multiply
    245,948.94x = 368,965.40 × 112,840.56
  4. Step 4: Simplify right side
    245,948.94x = 41,634,261,792.42
  5. Step 5: Solve for x
    x = 41,634,261,792.42/245,948.94
  6. Step 6: Final answer
    x = 169,280.10

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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.