Home / 539,275.19-808,943.22-139,905.36

Finding the Fourth Proportional to 539,275.19, 808,943.22 and 139,905.36

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Solution

The fourth proportional to 539,275.19, 808,943.22 and 139,905.36 is: 209,865.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,275.19 : 808,943.22 = 139,905.36 : x
  2. Step 2: Convert to fraction form
    539,275.19/808,943.22 = 139,905.36/x
  3. Step 3: Cross multiply
    539,275.19x = 808,943.22 × 139,905.36
  4. Step 4: Simplify right side
    539,275.19x = 113,175,492,413.66
  5. Step 5: Solve for x
    x = 113,175,492,413.66/539,275.19
  6. Step 6: Final answer
    x = 209,865.94

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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.