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Finding the Fourth Proportional to 546,073.24, 819,478.91 and 191,090.33

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Solution

The fourth proportional to 546,073.24, 819,478.91 and 191,090.33 is: 286,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,073.24 : 819,478.91 = 191,090.33 : x
  2. Step 2: Convert to fraction form
    546,073.24/819,478.91 = 191,090.33/x
  3. Step 3: Cross multiply
    546,073.24x = 819,478.91 × 191,090.33
  4. Step 4: Simplify right side
    546,073.24x = 156,594,495,339.94
  5. Step 5: Solve for x
    x = 156,594,495,339.94/546,073.24
  6. Step 6: Final answer
    x = 286,764.64

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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.