Finding the Fourth Proportional to 260,583.93, 390,933.27 and 148,316.99
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Solution
The fourth proportional to 260,583.93, 390,933.27 and 148,316.99 is: 222,508.13
Step by Step Solution
- Step 1: Write the proportion equation
260,583.93 : 390,933.27 = 148,316.99 : x - Step 2: Convert to fraction form
260,583.93/390,933.27 = 148,316.99/x - Step 3: Cross multiply
260,583.93x = 390,933.27 × 148,316.99 - Step 4: Simplify right side
260,583.93x = 57,982,043,942.59 - Step 5: Solve for x
x = 57,982,043,942.59/260,583.93 - Step 6: Final answer
x = 222,508.13
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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.