Home / 369,439.82-553,987.55-191,899.16

Finding the Fourth Proportional to 369,439.82, 553,987.55 and 191,899.16

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Solution

The fourth proportional to 369,439.82, 553,987.55 and 191,899.16 is: 287,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,439.82 : 553,987.55 = 191,899.16 : x
  2. Step 2: Convert to fraction form
    369,439.82/553,987.55 = 191,899.16/x
  3. Step 3: Cross multiply
    369,439.82x = 553,987.55 × 191,899.16
  4. Step 4: Simplify right side
    369,439.82x = 106,309,745,282.72
  5. Step 5: Solve for x
    x = 106,309,745,282.72/369,439.82
  6. Step 6: Final answer
    x = 287,759.30

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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.