Finding the Fourth Proportional to 168,187.78, 252,312.77 and 48,239.70
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Solution
The fourth proportional to 168,187.78, 252,312.77 and 48,239.70 is: 72,368.47
Step by Step Solution
- Step 1: Write the proportion equation
168,187.78 : 252,312.77 = 48,239.70 : x - Step 2: Convert to fraction form
168,187.78/252,312.77 = 48,239.70/x - Step 3: Cross multiply
168,187.78x = 252,312.77 × 48,239.70 - Step 4: Simplify right side
168,187.78x = 12,171,492,330.97 - Step 5: Solve for x
x = 12,171,492,330.97/168,187.78 - Step 6: Final answer
x = 72,368.47
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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.