Home / 845,187.84-1,267,772.16-205,495.20

Finding the Fourth Proportional to 845,187.84, 1,267,772.16 and 205,495.20

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Solution

The fourth proportional to 845,187.84, 1,267,772.16 and 205,495.20 is: 308,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,187.84 : 1,267,772.16 = 205,495.20 : x
  2. Step 2: Convert to fraction form
    845,187.84/1,267,772.16 = 205,495.20/x
  3. Step 3: Cross multiply
    845,187.84x = 1,267,772.16 × 205,495.20
  4. Step 4: Simplify right side
    845,187.84x = 260,521,093,573.63
  5. Step 5: Solve for x
    x = 260,521,093,573.63/845,187.84
  6. Step 6: Final answer
    x = 308,240.47

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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.