Home / 219,007.08-328,511.16-61,235.28

Finding the Fourth Proportional to 219,007.08, 328,511.16 and 61,235.28

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Solution

The fourth proportional to 219,007.08, 328,511.16 and 61,235.28 is: 91,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,007.08 : 328,511.16 = 61,235.28 : x
  2. Step 2: Convert to fraction form
    219,007.08/328,511.16 = 61,235.28/x
  3. Step 3: Cross multiply
    219,007.08x = 328,511.16 × 61,235.28
  4. Step 4: Simplify right side
    219,007.08x = 20,116,472,865.72
  5. Step 5: Solve for x
    x = 20,116,472,865.72/219,007.08
  6. Step 6: Final answer
    x = 91,853.07

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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.