Home / 427,462.56-641,341.20-190,968.48

Finding the Fourth Proportional to 427,462.56, 641,341.20 and 190,968.48

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Solution

The fourth proportional to 427,462.56, 641,341.20 and 190,968.48 is: 286,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,462.56 : 641,341.20 = 190,968.48 : x
  2. Step 2: Convert to fraction form
    427,462.56/641,341.20 = 190,968.48/x
  3. Step 3: Cross multiply
    427,462.56x = 641,341.20 × 190,968.48
  4. Step 4: Simplify right side
    427,462.56x = 122,475,954,125.38
  5. Step 5: Solve for x
    x = 122,475,954,125.38/427,462.56
  6. Step 6: Final answer
    x = 286,518.55

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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.