Home / 270,266.48-403,420.66-238,345.20

Finding the Fourth Proportional to 270,266.48, 403,420.66 and 238,345.20

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Solution

The fourth proportional to 270,266.48, 403,420.66 and 238,345.20 is: 355,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,266.48 : 403,420.66 = 238,345.20 : x
  2. Step 2: Convert to fraction form
    270,266.48/403,420.66 = 238,345.20/x
  3. Step 3: Cross multiply
    270,266.48x = 403,420.66 × 238,345.20
  4. Step 4: Simplify right side
    270,266.48x = 96,153,377,891.83
  5. Step 5: Solve for x
    x = 96,153,377,891.83/270,266.48
  6. Step 6: Final answer
    x = 355,772.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.