Finding the Fourth Proportional to 153,311.52, 229,967.34 and 68,973.19
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Solution
The fourth proportional to 153,311.52, 229,967.34 and 68,973.19 is: 103,459.81
Step by Step Solution
- Step 1: Write the proportion equation
153,311.52 : 229,967.34 = 68,973.19 : x - Step 2: Convert to fraction form
153,311.52/229,967.34 = 68,973.19/x - Step 3: Cross multiply
153,311.52x = 229,967.34 × 68,973.19 - Step 4: Simplify right side
153,311.52x = 15,861,581,035.61 - Step 5: Solve for x
x = 15,861,581,035.61/153,311.52 - Step 6: Final answer
x = 103,459.81
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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.