Home / 219,054.12-328,601.20-61,282.10

Finding the Fourth Proportional to 219,054.12, 328,601.20 and 61,282.10

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Solution

The fourth proportional to 219,054.12, 328,601.20 and 61,282.10 is: 91,928.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,054.12 : 328,601.20 = 61,282.10 : x
  2. Step 2: Convert to fraction form
    219,054.12/328,601.20 = 61,282.10/x
  3. Step 3: Cross multiply
    219,054.12x = 328,601.20 × 61,282.10
  4. Step 4: Simplify right side
    219,054.12x = 20,137,371,598.52
  5. Step 5: Solve for x
    x = 20,137,371,598.52/219,054.12
  6. Step 6: Final answer
    x = 91,928.75

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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.