Home / 369,268.74-509,576.40-208,156.50

Finding the Fourth Proportional to 369,268.74, 509,576.40 and 208,156.50

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Solution

The fourth proportional to 369,268.74, 509,576.40 and 208,156.50 is: 287,247.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,268.74 : 509,576.40 = 208,156.50 : x
  2. Step 2: Convert to fraction form
    369,268.74/509,576.40 = 208,156.50/x
  3. Step 3: Cross multiply
    369,268.74x = 509,576.40 × 208,156.50
  4. Step 4: Simplify right side
    369,268.74x = 106,071,639,906.60
  5. Step 5: Solve for x
    x = 106,071,639,906.60/369,268.74
  6. Step 6: Final answer
    x = 287,247.82

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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.