Home / 245,617.92-338,994.16-142,237.08

Finding the Fourth Proportional to 245,617.92, 338,994.16 and 142,237.08

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Solution

The fourth proportional to 245,617.92, 338,994.16 and 142,237.08 is: 196,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,617.92 : 338,994.16 = 142,237.08 : x
  2. Step 2: Convert to fraction form
    245,617.92/338,994.16 = 142,237.08/x
  3. Step 3: Cross multiply
    245,617.92x = 338,994.16 × 142,237.08
  4. Step 4: Simplify right side
    245,617.92x = 48,217,539,455.45
  5. Step 5: Solve for x
    x = 48,217,539,455.45/245,617.92
  6. Step 6: Final answer
    x = 196,311.16

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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.