Finding the Fourth Proportional to 536,658.36, 804,981.88 and 137,295.96
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Solution
The fourth proportional to 536,658.36, 804,981.88 and 137,295.96 is: 205,942.49
Step by Step Solution
- Step 1: Write the proportion equation
536,658.36 : 804,981.88 = 137,295.96 : x - Step 2: Convert to fraction form
536,658.36/804,981.88 = 137,295.96/x - Step 3: Cross multiply
536,658.36x = 804,981.88 × 137,295.96 - Step 4: Simplify right side
536,658.36x = 110,520,759,997.21 - Step 5: Solve for x
x = 110,520,759,997.21/536,658.36 - Step 6: Final answer
x = 205,942.49
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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.