Home / 319,592.81-479,572.38-130,018.19

Finding the Fourth Proportional to 319,592.81, 479,572.38 and 130,018.19

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Solution

The fourth proportional to 319,592.81, 479,572.38 and 130,018.19 is: 195,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,592.81 : 479,572.38 = 130,018.19 : x
  2. Step 2: Convert to fraction form
    319,592.81/479,572.38 = 130,018.19/x
  3. Step 3: Cross multiply
    319,592.81x = 479,572.38 × 130,018.19
  4. Step 4: Simplify right side
    319,592.81x = 62,353,129,773.64
  5. Step 5: Solve for x
    x = 62,353,129,773.64/319,592.81
  6. Step 6: Final answer
    x = 195,101.79

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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.