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Finding the Fourth Proportional to 339,854.03, 468,881.75 and 210,746.10

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Solution

The fourth proportional to 339,854.03, 468,881.75 and 210,746.10 is: 290,757.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,854.03 : 468,881.75 = 210,746.10 : x
  2. Step 2: Convert to fraction form
    339,854.03/468,881.75 = 210,746.10/x
  3. Step 3: Cross multiply
    339,854.03x = 468,881.75 × 210,746.10
  4. Step 4: Simplify right side
    339,854.03x = 98,815,000,173.68
  5. Step 5: Solve for x
    x = 98,815,000,173.68/339,854.03
  6. Step 6: Final answer
    x = 290,757.18

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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.