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Finding the Fourth Proportional to 546,132, 819,336.28 and 152,148

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Solution

The fourth proportional to 546,132, 819,336.28 and 152,148 is: 228,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,132 : 819,336.28 = 152,148 : x
  2. Step 2: Convert to fraction form
    546,132/819,336.28 = 152,148/x
  3. Step 3: Cross multiply
    546,132x = 819,336.28 × 152,148
  4. Step 4: Simplify right side
    546,132x = 124,660,376,329.44
  5. Step 5: Solve for x
    x = 124,660,376,329.44/546,132
  6. Step 6: Final answer
    x = 228,260.52

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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.