Home / 645,036.51-967,591.68-195,772.04

Finding the Fourth Proportional to 645,036.51, 967,591.68 and 195,772.04

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Solution

The fourth proportional to 645,036.51, 967,591.68 and 195,772.04 is: 293,669.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,036.51 : 967,591.68 = 195,772.04 : x
  2. Step 2: Convert to fraction form
    645,036.51/967,591.68 = 195,772.04/x
  3. Step 3: Cross multiply
    645,036.51x = 967,591.68 × 195,772.04
  4. Step 4: Simplify right side
    645,036.51x = 189,427,395,136.99
  5. Step 5: Solve for x
    x = 189,427,395,136.99/645,036.51
  6. Step 6: Final answer
    x = 293,669.26

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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.