Home / 438,818.39-658,465.73-186,240.95

Finding the Fourth Proportional to 438,818.39, 658,465.73 and 186,240.95

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Solution

The fourth proportional to 438,818.39, 658,465.73 and 186,240.95 is: 279,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,818.39 : 658,465.73 = 186,240.95 : x
  2. Step 2: Convert to fraction form
    438,818.39/658,465.73 = 186,240.95/x
  3. Step 3: Cross multiply
    438,818.39x = 658,465.73 × 186,240.95
  4. Step 4: Simplify right side
    438,818.39x = 122,633,283,097.64
  5. Step 5: Solve for x
    x = 122,633,283,097.64/438,818.39
  6. Step 6: Final answer
    x = 279,462.50

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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.