Home / 319,342.48-440,673.96-183,345.04

Finding the Fourth Proportional to 319,342.48, 440,673.96 and 183,345.04

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Solution

The fourth proportional to 319,342.48, 440,673.96 and 183,345.04 is: 253,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,342.48 : 440,673.96 = 183,345.04 : x
  2. Step 2: Convert to fraction form
    319,342.48/440,673.96 = 183,345.04/x
  3. Step 3: Cross multiply
    319,342.48x = 440,673.96 × 183,345.04
  4. Step 4: Simplify right side
    319,342.48x = 80,795,384,823.16
  5. Step 5: Solve for x
    x = 80,795,384,823.16/319,342.48
  6. Step 6: Final answer
    x = 253,005.44

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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.