Finding the Fourth Proportional to 153,270.66, 229,903.34 and 68,971.19
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Solution
The fourth proportional to 153,270.66, 229,903.34 and 68,971.19 is: 103,455.58
Step by Step Solution
- Step 1: Write the proportion equation
153,270.66 : 229,903.34 = 68,971.19 : x - Step 2: Convert to fraction form
153,270.66/229,903.34 = 68,971.19/x - Step 3: Cross multiply
153,270.66x = 229,903.34 × 68,971.19 - Step 4: Simplify right side
153,270.66x = 15,856,705,450.40 - Step 5: Solve for x
x = 15,856,705,450.40/153,270.66 - Step 6: Final answer
x = 103,455.58
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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.