Finding the Fourth Proportional to 285,218.99, 393,643.73 and 164,336.93
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Solution
The fourth proportional to 285,218.99, 393,643.73 and 164,336.93 is: 226,808.89
Step by Step Solution
- Step 1: Write the proportion equation
285,218.99 : 393,643.73 = 164,336.93 : x - Step 2: Convert to fraction form
285,218.99/393,643.73 = 164,336.93/x - Step 3: Cross multiply
285,218.99x = 393,643.73 × 164,336.93 - Step 4: Simplify right side
285,218.99x = 64,690,201,280.26 - Step 5: Solve for x
x = 64,690,201,280.26/285,218.99 - Step 6: Final answer
x = 226,808.89
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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.