Finding the Fourth Proportional to 168,248.73, 252,420.79 and 68,480.53
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Solution
The fourth proportional to 168,248.73, 252,420.79 and 68,480.53 is: 102,740.21
Step by Step Solution
- Step 1: Write the proportion equation
168,248.73 : 252,420.79 = 68,480.53 : x - Step 2: Convert to fraction form
168,248.73/252,420.79 = 68,480.53/x - Step 3: Cross multiply
168,248.73x = 252,420.79 × 68,480.53 - Step 4: Simplify right side
168,248.73x = 17,285,909,482.22 - Step 5: Solve for x
x = 17,285,909,482.22/168,248.73 - Step 6: Final answer
x = 102,740.21
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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.