Home / 261,888.93-361,395.06-153,003.36

Finding the Fourth Proportional to 261,888.93, 361,395.06 and 153,003.36

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Solution

The fourth proportional to 261,888.93, 361,395.06 and 153,003.36 is: 211,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,888.93 : 361,395.06 = 153,003.36 : x
  2. Step 2: Convert to fraction form
    261,888.93/361,395.06 = 153,003.36/x
  3. Step 3: Cross multiply
    261,888.93x = 361,395.06 × 153,003.36
  4. Step 4: Simplify right side
    261,888.93x = 55,294,658,467.40
  5. Step 5: Solve for x
    x = 55,294,658,467.40/261,888.93
  6. Step 6: Final answer
    x = 211,137.82

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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.