Home / 152,998.40-229,497.78-47,817.92

Finding the Fourth Proportional to 152,998.40, 229,497.78 and 47,817.92

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Solution

The fourth proportional to 152,998.40, 229,497.78 and 47,817.92 is: 71,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,998.40 : 229,497.78 = 47,817.92 : x
  2. Step 2: Convert to fraction form
    152,998.40/229,497.78 = 47,817.92/x
  3. Step 3: Cross multiply
    152,998.40x = 229,497.78 × 47,817.92
  4. Step 4: Simplify right side
    152,998.40x = 10,974,106,484.22
  5. Step 5: Solve for x
    x = 10,974,106,484.22/152,998.40
  6. Step 6: Final answer
    x = 71,726.94

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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.