Home / 319,399.16-479,431.04-235,254.33

Finding the Fourth Proportional to 319,399.16, 479,431.04 and 235,254.33

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Solution

The fourth proportional to 319,399.16, 479,431.04 and 235,254.33 is: 353,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,399.16 : 479,431.04 = 235,254.33 : x
  2. Step 2: Convert to fraction form
    319,399.16/479,431.04 = 235,254.33/x
  3. Step 3: Cross multiply
    319,399.16x = 479,431.04 × 235,254.33
  4. Step 4: Simplify right side
    319,399.16x = 112,788,226,920.13
  5. Step 5: Solve for x
    x = 112,788,226,920.13/319,399.16
  6. Step 6: Final answer
    x = 353,126.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.