Home / 319,345.21-440,676.25-183,283.39

Finding the Fourth Proportional to 319,345.21, 440,676.25 and 183,283.39

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Solution

The fourth proportional to 319,345.21, 440,676.25 and 183,283.39 is: 252,919.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,345.21 : 440,676.25 = 183,283.39 : x
  2. Step 2: Convert to fraction form
    319,345.21/440,676.25 = 183,283.39/x
  3. Step 3: Cross multiply
    319,345.21x = 440,676.25 × 183,283.39
  4. Step 4: Simplify right side
    319,345.21x = 80,768,636,992.49
  5. Step 5: Solve for x
    x = 80,768,636,992.49/319,345.21
  6. Step 6: Final answer
    x = 252,919.52

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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.