Finding the Fourth Proportional to 492,311.79, 738,402.08 and 137,296.08
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Solution
The fourth proportional to 492,311.79, 738,402.08 and 137,296.08 is: 205,925.82
Step by Step Solution
- Step 1: Write the proportion equation
492,311.79 : 738,402.08 = 137,296.08 : x - Step 2: Convert to fraction form
492,311.79/738,402.08 = 137,296.08/x - Step 3: Cross multiply
492,311.79x = 738,402.08 × 137,296.08 - Step 4: Simplify right side
492,311.79x = 101,379,710,361.37 - Step 5: Solve for x
x = 101,379,710,361.37/492,311.79 - Step 6: Final answer
x = 205,925.82
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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.