Home / 625,365.74-938,038.70-198,895.41

Finding the Fourth Proportional to 625,365.74, 938,038.70 and 198,895.41

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Solution

The fourth proportional to 625,365.74, 938,038.70 and 198,895.41 is: 298,339.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,365.74 : 938,038.70 = 198,895.41 : x
  2. Step 2: Convert to fraction form
    625,365.74/938,038.70 = 198,895.41/x
  3. Step 3: Cross multiply
    625,365.74x = 938,038.70 × 198,895.41
  4. Step 4: Simplify right side
    625,365.74x = 186,571,590,837.89
  5. Step 5: Solve for x
    x = 186,571,590,837.89/625,365.74
  6. Step 6: Final answer
    x = 298,339.96

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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.