Finding the Fourth Proportional to 168,312.63, 252,250.74 and 68,355.75
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Solution
The fourth proportional to 168,312.63, 252,250.74 and 68,355.75 is: 102,445.01
Step by Step Solution
- Step 1: Write the proportion equation
168,312.63 : 252,250.74 = 68,355.75 : x - Step 2: Convert to fraction form
168,312.63/252,250.74 = 68,355.75/x - Step 3: Cross multiply
168,312.63x = 252,250.74 × 68,355.75 - Step 4: Simplify right side
168,312.63x = 17,242,788,520.76 - Step 5: Solve for x
x = 17,242,788,520.76/168,312.63 - Step 6: Final answer
x = 102,445.01
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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.