Finding the Fourth Proportional to 207,192.41, 310,757.86 and 57,417.09
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Solution
The fourth proportional to 207,192.41, 310,757.86 and 57,417.09 is: 86,117.11
Step by Step Solution
- Step 1: Write the proportion equation
207,192.41 : 310,757.86 = 57,417.09 : x - Step 2: Convert to fraction form
207,192.41/310,757.86 = 57,417.09/x - Step 3: Cross multiply
207,192.41x = 310,757.86 × 57,417.09 - Step 4: Simplify right side
207,192.41x = 17,842,811,872.28 - Step 5: Solve for x
x = 17,842,811,872.28/207,192.41 - Step 6: Final answer
x = 86,117.11
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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.