Home / 219,355.21-328,533.45-171,672.94

Finding the Fourth Proportional to 219,355.21, 328,533.45 and 171,672.94

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Solution

The fourth proportional to 219,355.21, 328,533.45 and 171,672.94 is: 257,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,355.21 : 328,533.45 = 171,672.94 : x
  2. Step 2: Convert to fraction form
    219,355.21/328,533.45 = 171,672.94/x
  3. Step 3: Cross multiply
    219,355.21x = 328,533.45 × 171,672.94
  4. Step 4: Simplify right side
    219,355.21x = 56,400,303,249.84
  5. Step 5: Solve for x
    x = 56,400,303,249.84/219,355.21
  6. Step 6: Final answer
    x = 257,118.59

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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.