Home / 368,148.66-507,837.56-220,935.88

Finding the Fourth Proportional to 368,148.66, 507,837.56 and 220,935.88

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Solution

The fourth proportional to 368,148.66, 507,837.56 and 220,935.88 is: 304,766.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,148.66 : 507,837.56 = 220,935.88 : x
  2. Step 2: Convert to fraction form
    368,148.66/507,837.56 = 220,935.88/x
  3. Step 3: Cross multiply
    368,148.66x = 507,837.56 × 220,935.88
  4. Step 4: Simplify right side
    368,148.66x = 112,199,538,215.65
  5. Step 5: Solve for x
    x = 112,199,538,215.65/368,148.66
  6. Step 6: Final answer
    x = 304,766.93

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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.