Finding the Fourth Proportional to 460,692.18, 691,239.06 and 161,387.46
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Solution
The fourth proportional to 460,692.18, 691,239.06 and 161,387.46 is: 242,151.53
Step by Step Solution
- Step 1: Write the proportion equation
460,692.18 : 691,239.06 = 161,387.46 : x - Step 2: Convert to fraction form
460,692.18/691,239.06 = 161,387.46/x - Step 3: Cross multiply
460,692.18x = 691,239.06 × 161,387.46 - Step 4: Simplify right side
460,692.18x = 111,557,316,146.19 - Step 5: Solve for x
x = 111,557,316,146.19/460,692.18 - Step 6: Final answer
x = 242,151.53
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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.