Finding the Fourth Proportional to 303,539.19, 455,328.45 and 101,126.63
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Solution
The fourth proportional to 303,539.19, 455,328.45 and 101,126.63 is: 151,696.50
Step by Step Solution
- Step 1: Write the proportion equation
303,539.19 : 455,328.45 = 101,126.63 : x - Step 2: Convert to fraction form
303,539.19/455,328.45 = 101,126.63/x - Step 3: Cross multiply
303,539.19x = 455,328.45 × 101,126.63 - Step 4: Simplify right side
303,539.19x = 46,045,831,691.62 - Step 5: Solve for x
x = 46,045,831,691.62/303,539.19 - Step 6: Final answer
x = 151,696.50
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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.