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Finding the Fourth Proportional to 546,971.67, 754,858.81 and 305,301.35

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Solution

The fourth proportional to 546,971.67, 754,858.81 and 305,301.35 is: 421,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,971.67 : 754,858.81 = 305,301.35 : x
  2. Step 2: Convert to fraction form
    546,971.67/754,858.81 = 305,301.35/x
  3. Step 3: Cross multiply
    546,971.67x = 754,858.81 × 305,301.35
  4. Step 4: Simplify right side
    546,971.67x = 230,459,416,021.17
  5. Step 5: Solve for x
    x = 230,459,416,021.17/546,971.67
  6. Step 6: Final answer
    x = 421,337.02

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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.