Home / 762,106.60-1,143,160.41-193,530.34

Finding the Fourth Proportional to 762,106.60, 1,143,160.41 and 193,530.34

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Solution

The fourth proportional to 762,106.60, 1,143,160.41 and 193,530.34 is: 290,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,106.60 : 1,143,160.41 = 193,530.34 : x
  2. Step 2: Convert to fraction form
    762,106.60/1,143,160.41 = 193,530.34/x
  3. Step 3: Cross multiply
    762,106.60x = 1,143,160.41 × 193,530.34
  4. Step 4: Simplify right side
    762,106.60x = 221,236,222,821.84
  5. Step 5: Solve for x
    x = 221,236,222,821.84/762,106.60
  6. Step 6: Final answer
    x = 290,295.64

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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.