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Finding the Fourth Proportional to 319,593.56, 479,573.51 and 130,018.94

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Solution

The fourth proportional to 319,593.56, 479,573.51 and 130,018.94 is: 195,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,593.56 : 479,573.51 = 130,018.94 : x
  2. Step 2: Convert to fraction form
    319,593.56/479,573.51 = 130,018.94/x
  3. Step 3: Cross multiply
    319,593.56x = 479,573.51 × 130,018.94
  4. Step 4: Simplify right side
    319,593.56x = 62,353,636,374.32
  5. Step 5: Solve for x
    x = 62,353,636,374.32/319,593.56
  6. Step 6: Final answer
    x = 195,102.92

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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.