Finding the Fourth Proportional to 149,257.01, 205,624.27 and 103,857.02
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Solution
The fourth proportional to 149,257.01, 205,624.27 and 103,857.02 is: 143,078.86
Step by Step Solution
- Step 1: Write the proportion equation
149,257.01 : 205,624.27 = 103,857.02 : x - Step 2: Convert to fraction form
149,257.01/205,624.27 = 103,857.02/x - Step 3: Cross multiply
149,257.01x = 205,624.27 × 103,857.02 - Step 4: Simplify right side
149,257.01x = 21,355,523,794.67 - Step 5: Solve for x
x = 21,355,523,794.67/149,257.01 - Step 6: Final answer
x = 143,078.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.