Home / 319,589.51-479,567.42-130,014.87

Finding the Fourth Proportional to 319,589.51, 479,567.42 and 130,014.87

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Solution

The fourth proportional to 319,589.51, 479,567.42 and 130,014.87 is: 195,096.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,589.51 : 479,567.42 = 130,014.87 : x
  2. Step 2: Convert to fraction form
    319,589.51/479,567.42 = 130,014.87/x
  3. Step 3: Cross multiply
    319,589.51x = 479,567.42 × 130,014.87
  4. Step 4: Simplify right side
    319,589.51x = 62,350,895,117.46
  5. Step 5: Solve for x
    x = 62,350,895,117.46/319,589.51
  6. Step 6: Final answer
    x = 195,096.82

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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.