Finding the Fourth Proportional to 122,911.68, 184,371.17 and 48,028.80
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Solution
The fourth proportional to 122,911.68, 184,371.17 and 48,028.80 is: 72,044.62
Step by Step Solution
- Step 1: Write the proportion equation
122,911.68 : 184,371.17 = 48,028.80 : x - Step 2: Convert to fraction form
122,911.68/184,371.17 = 48,028.80/x - Step 3: Cross multiply
122,911.68x = 184,371.17 × 48,028.80 - Step 4: Simplify right side
122,911.68x = 8,855,125,809.55 - Step 5: Solve for x
x = 8,855,125,809.55/122,911.68 - Step 6: Final answer
x = 72,044.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.