Finding the Fourth Proportional to 286,538.87, 395,407.53 and 171,760.08
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Solution
The fourth proportional to 286,538.87, 395,407.53 and 171,760.08 is: 237,019.26
Step by Step Solution
- Step 1: Write the proportion equation
286,538.87 : 395,407.53 = 171,760.08 : x - Step 2: Convert to fraction form
286,538.87/395,407.53 = 171,760.08/x - Step 3: Cross multiply
286,538.87x = 395,407.53 × 171,760.08 - Step 4: Simplify right side
286,538.87x = 67,915,228,985.40 - Step 5: Solve for x
x = 67,915,228,985.40/286,538.87 - Step 6: Final answer
x = 237,019.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.