Home / 219,320.61-328,975.08-166,113.59

Finding the Fourth Proportional to 219,320.61, 328,975.08 and 166,113.59

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Solution

The fourth proportional to 219,320.61, 328,975.08 and 166,113.59 is: 249,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,320.61 : 328,975.08 = 166,113.59 : x
  2. Step 2: Convert to fraction form
    219,320.61/328,975.08 = 166,113.59/x
  3. Step 3: Cross multiply
    219,320.61x = 328,975.08 × 166,113.59
  4. Step 4: Simplify right side
    219,320.61x = 54,647,231,354.20
  5. Step 5: Solve for x
    x = 54,647,231,354.20/219,320.61
  6. Step 6: Final answer
    x = 249,165.96

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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.