Finding the Fourth Proportional to 207,089.15, 310,178.41 and 171,143.08
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Solution
The fourth proportional to 207,089.15, 310,178.41 and 171,143.08 is: 256,338.33
Step by Step Solution
- Step 1: Write the proportion equation
207,089.15 : 310,178.41 = 171,143.08 : x - Step 2: Convert to fraction form
207,089.15/310,178.41 = 171,143.08/x - Step 3: Cross multiply
207,089.15x = 310,178.41 × 171,143.08 - Step 4: Simplify right side
207,089.15x = 53,084,887,233.60 - Step 5: Solve for x
x = 53,084,887,233.60/207,089.15 - Step 6: Final answer
x = 256,338.33
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1.5x scale
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.