Finding the Fourth Proportional to 122,827.05, 184,130.99 and 47,929.77
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Solution
The fourth proportional to 122,827.05, 184,130.99 and 47,929.77 is: 71,851.89
Step by Step Solution
- Step 1: Write the proportion equation
122,827.05 : 184,130.99 = 47,929.77 : x - Step 2: Convert to fraction form
122,827.05/184,130.99 = 47,929.77/x - Step 3: Cross multiply
122,827.05x = 184,130.99 × 47,929.77 - Step 4: Simplify right side
122,827.05x = 8,825,356,000.57 - Step 5: Solve for x
x = 8,825,356,000.57/122,827.05 - Step 6: Final answer
x = 71,851.89
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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.