Finding the Fourth Proportional to 122,965.40, 184,448.10 and 122,187.80
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Solution
The fourth proportional to 122,965.40, 184,448.10 and 122,187.80 is: 183,281.70
Step by Step Solution
- Step 1: Write the proportion equation
122,965.40 : 184,448.10 = 122,187.80 : x - Step 2: Convert to fraction form
122,965.40/184,448.10 = 122,187.80/x - Step 3: Cross multiply
122,965.40x = 184,448.10 × 122,187.80 - Step 4: Simplify right side
122,965.40x = 22,537,307,553.18 - Step 5: Solve for x
x = 22,537,307,553.18/122,965.40 - Step 6: Final answer
x = 183,281.70
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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.