Home / 545,252.25-817,952.90-190,213.05

Finding the Fourth Proportional to 545,252.25, 817,952.90 and 190,213.05

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Solution

The fourth proportional to 545,252.25, 817,952.90 and 190,213.05 is: 285,345.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,252.25 : 817,952.90 = 190,213.05 : x
  2. Step 2: Convert to fraction form
    545,252.25/817,952.90 = 190,213.05/x
  3. Step 3: Cross multiply
    545,252.25x = 817,952.90 × 190,213.05
  4. Step 4: Simplify right side
    545,252.25x = 155,585,315,865.35
  5. Step 5: Solve for x
    x = 155,585,315,865.35/545,252.25
  6. Step 6: Final answer
    x = 285,345.57

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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.