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Finding the Fourth Proportional to 627,359.60, 940,510.32 and 272,106

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Solution

The fourth proportional to 627,359.60, 940,510.32 and 272,106 is: 407,929.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,359.60 : 940,510.32 = 272,106 : x
  2. Step 2: Convert to fraction form
    627,359.60/940,510.32 = 272,106/x
  3. Step 3: Cross multiply
    627,359.60x = 940,510.32 × 272,106
  4. Step 4: Simplify right side
    627,359.60x = 255,918,501,133.92
  5. Step 5: Solve for x
    x = 255,918,501,133.92/627,359.60
  6. Step 6: Final answer
    x = 407,929.52

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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.