Home / 468,705.03-646,812.75-253,845.11

Finding the Fourth Proportional to 468,705.03, 646,812.75 and 253,845.11

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Solution

The fourth proportional to 468,705.03, 646,812.75 and 253,845.11 is: 350,306.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,705.03 : 646,812.75 = 253,845.11 : x
  2. Step 2: Convert to fraction form
    468,705.03/646,812.75 = 253,845.11/x
  3. Step 3: Cross multiply
    468,705.03x = 646,812.75 × 253,845.11
  4. Step 4: Simplify right side
    468,705.03x = 164,190,249,169.86
  5. Step 5: Solve for x
    x = 164,190,249,169.86/468,705.03
  6. Step 6: Final answer
    x = 350,306.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.