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Finding the Fourth Proportional to 369,268.60, 553,902.90 and 366,935.80

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Solution

The fourth proportional to 369,268.60, 553,902.90 and 366,935.80 is: 550,403.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,268.60 : 553,902.90 = 366,935.80 : x
  2. Step 2: Convert to fraction form
    369,268.60/553,902.90 = 366,935.80/x
  3. Step 3: Cross multiply
    369,268.60x = 553,902.90 × 366,935.80
  4. Step 4: Simplify right side
    369,268.60x = 203,246,803,733.82
  5. Step 5: Solve for x
    x = 203,246,803,733.82/369,268.60
  6. Step 6: Final answer
    x = 550,403.70

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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.