Finding the Fourth Proportional to 145,740.06, 218,610.14 and 112,508.64
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Solution
The fourth proportional to 145,740.06, 218,610.14 and 112,508.64 is: 168,762.99
Step by Step Solution
- Step 1: Write the proportion equation
145,740.06 : 218,610.14 = 112,508.64 : x - Step 2: Convert to fraction form
145,740.06/218,610.14 = 112,508.64/x - Step 3: Cross multiply
145,740.06x = 218,610.14 × 112,508.64 - Step 4: Simplify right side
145,740.06x = 24,595,528,979.07 - Step 5: Solve for x
x = 24,595,528,979.07/145,740.06 - Step 6: Final answer
x = 168,762.99
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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.