Finding the Fourth Proportional to 122,678.08, 183,674.00 and 66,315.94
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Solution
The fourth proportional to 122,678.08, 183,674.00 and 66,315.94 is: 99,288.43
Step by Step Solution
- Step 1: Write the proportion equation
122,678.08 : 183,674.00 = 66,315.94 : x - Step 2: Convert to fraction form
122,678.08/183,674.00 = 66,315.94/x - Step 3: Cross multiply
122,678.08x = 183,674.00 × 66,315.94 - Step 4: Simplify right side
122,678.08x = 12,180,513,670.16 - Step 5: Solve for x
x = 12,180,513,670.16/122,678.08 - Step 6: Final answer
x = 99,288.43
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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.