Finding the Fourth Proportional to 207,176.93, 310,781.06 and 57,415.49
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Solution
The fourth proportional to 207,176.93, 310,781.06 and 57,415.49 is: 86,127.58
Step by Step Solution
- Step 1: Write the proportion equation
207,176.93 : 310,781.06 = 57,415.49 : x - Step 2: Convert to fraction form
207,176.93/310,781.06 = 57,415.49/x - Step 3: Cross multiply
207,176.93x = 310,781.06 × 57,415.49 - Step 4: Simplify right side
207,176.93x = 17,843,646,842.62 - Step 5: Solve for x
x = 17,843,646,842.62/207,176.93 - Step 6: Final answer
x = 86,127.58
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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.