Finding the Fourth Proportional to 534,768.39, 802,153.98 and 135,409.23
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Solution
The fourth proportional to 534,768.39, 802,153.98 and 135,409.23 is: 203,114.20
Step by Step Solution
- Step 1: Write the proportion equation
534,768.39 : 802,153.98 = 135,409.23 : x - Step 2: Convert to fraction form
534,768.39/802,153.98 = 135,409.23/x - Step 3: Cross multiply
534,768.39x = 802,153.98 × 135,409.23 - Step 4: Simplify right side
534,768.39x = 108,619,052,773.24 - Step 5: Solve for x
x = 108,619,052,773.24/534,768.39 - Step 6: Final answer
x = 203,114.20
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1.5x scale
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.