Home / 268,276.40-370,199.28-147,411.44

Finding the Fourth Proportional to 268,276.40, 370,199.28 and 147,411.44

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Solution

The fourth proportional to 268,276.40, 370,199.28 and 147,411.44 is: 203,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,276.40 : 370,199.28 = 147,411.44 : x
  2. Step 2: Convert to fraction form
    268,276.40/370,199.28 = 147,411.44/x
  3. Step 3: Cross multiply
    268,276.40x = 370,199.28 × 147,411.44
  4. Step 4: Simplify right side
    268,276.40x = 54,571,608,951.76
  5. Step 5: Solve for x
    x = 54,571,608,951.76/268,276.40
  6. Step 6: Final answer
    x = 203,415.62

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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.