Home / 319,851.63-479,943.49-130,450.95

Finding the Fourth Proportional to 319,851.63, 479,943.49 and 130,450.95

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Solution

The fourth proportional to 319,851.63, 479,943.49 and 130,450.95 is: 195,744.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,851.63 : 479,943.49 = 130,450.95 : x
  2. Step 2: Convert to fraction form
    319,851.63/479,943.49 = 130,450.95/x
  3. Step 3: Cross multiply
    319,851.63x = 479,943.49 × 130,450.95
  4. Step 4: Simplify right side
    319,851.63x = 62,609,084,216.82
  5. Step 5: Solve for x
    x = 62,609,084,216.82/319,851.63
  6. Step 6: Final answer
    x = 195,744.15

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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.