Home / 245,422.32-368,015.63-145,595.49

Finding the Fourth Proportional to 245,422.32, 368,015.63 and 145,595.49

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Solution

The fourth proportional to 245,422.32, 368,015.63 and 145,595.49 is: 218,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,422.32 : 368,015.63 = 145,595.49 : x
  2. Step 2: Convert to fraction form
    245,422.32/368,015.63 = 145,595.49/x
  3. Step 3: Cross multiply
    245,422.32x = 368,015.63 × 145,595.49
  4. Step 4: Simplify right side
    245,422.32x = 53,581,415,249.53
  5. Step 5: Solve for x
    x = 53,581,415,249.53/245,422.32
  6. Step 6: Final answer
    x = 218,323.32

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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.