Home / 220,907.37-304,837.67-130,258.95

Finding the Fourth Proportional to 220,907.37, 304,837.67 and 130,258.95

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Solution

The fourth proportional to 220,907.37, 304,837.67 and 130,258.95 is: 179,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,907.37 : 304,837.67 = 130,258.95 : x
  2. Step 2: Convert to fraction form
    220,907.37/304,837.67 = 130,258.95/x
  3. Step 3: Cross multiply
    220,907.37x = 304,837.67 × 130,258.95
  4. Step 4: Simplify right side
    220,907.37x = 39,707,834,814.65
  5. Step 5: Solve for x
    x = 39,707,834,814.65/220,907.37
  6. Step 6: Final answer
    x = 179,748.80

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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.