Finding the Fourth Proportional to 122,651.99, 184,036.06 and 51,590.18
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Solution
The fourth proportional to 122,651.99, 184,036.06 and 51,590.18 is: 77,409.70
Step by Step Solution
- Step 1: Write the proportion equation
122,651.99 : 184,036.06 = 51,590.18 : x - Step 2: Convert to fraction form
122,651.99/184,036.06 = 51,590.18/x - Step 3: Cross multiply
122,651.99x = 184,036.06 × 51,590.18 - Step 4: Simplify right side
122,651.99x = 9,494,453,461.89 - Step 5: Solve for x
x = 9,494,453,461.89/122,651.99 - Step 6: Final answer
x = 77,409.70
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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.