Home / 219,307.25-328,462.64-171,625.18

Finding the Fourth Proportional to 219,307.25, 328,462.64 and 171,625.18

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Solution

The fourth proportional to 219,307.25, 328,462.64 and 171,625.18 is: 257,047.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,307.25 : 328,462.64 = 171,625.18 : x
  2. Step 2: Convert to fraction form
    219,307.25/328,462.64 = 171,625.18/x
  3. Step 3: Cross multiply
    219,307.25x = 328,462.64 × 171,625.18
  4. Step 4: Simplify right side
    219,307.25x = 56,372,460,258.85
  5. Step 5: Solve for x
    x = 56,372,460,258.85/219,307.25
  6. Step 6: Final answer
    x = 257,047.87

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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.