Home / 427,795.44-641,839.02-161,632.68

Finding the Fourth Proportional to 427,795.44, 641,839.02 and 161,632.68

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Solution

The fourth proportional to 427,795.44, 641,839.02 and 161,632.68 is: 242,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,795.44 : 641,839.02 = 161,632.68 : x
  2. Step 2: Convert to fraction form
    427,795.44/641,839.02 = 161,632.68/x
  3. Step 3: Cross multiply
    427,795.44x = 641,839.02 × 161,632.68
  4. Step 4: Simplify right side
    427,795.44x = 103,742,160,931.17
  5. Step 5: Solve for x
    x = 103,742,160,931.17/427,795.44
  6. Step 6: Final answer
    x = 242,504.13

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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.