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Finding the Fourth Proportional to 555,188.40, 766,165.28 and 325,749.59

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Solution

The fourth proportional to 555,188.40, 766,165.28 and 325,749.59 is: 449,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,188.40 : 766,165.28 = 325,749.59 : x
  2. Step 2: Convert to fraction form
    555,188.40/766,165.28 = 325,749.59/x
  3. Step 3: Cross multiply
    555,188.40x = 766,165.28 × 325,749.59
  4. Step 4: Simplify right side
    555,188.40x = 249,578,026,316.79
  5. Step 5: Solve for x
    x = 249,578,026,316.79/555,188.40
  6. Step 6: Final answer
    x = 449,537.54

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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.