Finding the Fourth Proportional to 266,283.36, 367,473.96 and 145,428.18
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Solution
The fourth proportional to 266,283.36, 367,473.96 and 145,428.18 is: 200,692.48
Step by Step Solution
- Step 1: Write the proportion equation
266,283.36 : 367,473.96 = 145,428.18 : x - Step 2: Convert to fraction form
266,283.36/367,473.96 = 145,428.18/x - Step 3: Cross multiply
266,283.36x = 367,473.96 × 145,428.18 - Step 4: Simplify right side
266,283.36x = 53,441,069,200.19 - Step 5: Solve for x
x = 53,441,069,200.19/266,283.36 - Step 6: Final answer
x = 200,692.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.