Home / 219,431.36-329,159.33-61,647.50

Finding the Fourth Proportional to 219,431.36, 329,159.33 and 61,647.50

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Solution

The fourth proportional to 219,431.36, 329,159.33 and 61,647.50 is: 92,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,431.36 : 329,159.33 = 61,647.50 : x
  2. Step 2: Convert to fraction form
    219,431.36/329,159.33 = 61,647.50/x
  3. Step 3: Cross multiply
    219,431.36x = 329,159.33 × 61,647.50
  4. Step 4: Simplify right side
    219,431.36x = 20,291,849,796.18
  5. Step 5: Solve for x
    x = 20,291,849,796.18/219,431.36
  6. Step 6: Final answer
    x = 92,474.70

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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.