Home / 319,799.22-479,596.77-130,259.22

Finding the Fourth Proportional to 319,799.22, 479,596.77 and 130,259.22

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Solution

The fourth proportional to 319,799.22, 479,596.77 and 130,259.22 is: 195,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,799.22 : 479,596.77 = 130,259.22 : x
  2. Step 2: Convert to fraction form
    319,799.22/479,596.77 = 130,259.22/x
  3. Step 3: Cross multiply
    319,799.22x = 479,596.77 × 130,259.22
  4. Step 4: Simplify right side
    319,799.22x = 62,471,901,174.72
  5. Step 5: Solve for x
    x = 62,471,901,174.72/319,799.22
  6. Step 6: Final answer
    x = 195,347.26

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1.5x scale

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.