Finding the Fourth Proportional to 122,718.84, 184,214.94 and 63,538.62
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Solution
The fourth proportional to 122,718.84, 184,214.94 and 63,538.62 is: 95,378.70
Step by Step Solution
- Step 1: Write the proportion equation
122,718.84 : 184,214.94 = 63,538.62 : x - Step 2: Convert to fraction form
122,718.84/184,214.94 = 63,538.62/x - Step 3: Cross multiply
122,718.84x = 184,214.94 × 63,538.62 - Step 4: Simplify right side
122,718.84x = 11,704,763,070.98 - Step 5: Solve for x
x = 11,704,763,070.98/122,718.84 - Step 6: Final answer
x = 95,378.70
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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.