Finding the Fourth Proportional to 152,972.15, 229,379.36 and 68,660.03
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Solution
The fourth proportional to 152,972.15, 229,379.36 and 68,660.03 is: 102,954.65
Step by Step Solution
- Step 1: Write the proportion equation
152,972.15 : 229,379.36 = 68,660.03 : x - Step 2: Convert to fraction form
152,972.15/229,379.36 = 68,660.03/x - Step 3: Cross multiply
152,972.15x = 229,379.36 × 68,660.03 - Step 4: Simplify right side
152,972.15x = 15,749,193,420.55 - Step 5: Solve for x
x = 15,749,193,420.55/152,972.15 - Step 6: Final answer
x = 102,954.65
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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.