Finding the Fourth Proportional to 212,374.88, 293,071.94 and 115,574.62
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Solution
The fourth proportional to 212,374.88, 293,071.94 and 115,574.62 is: 159,490.04
Step by Step Solution
- Step 1: Write the proportion equation
212,374.88 : 293,071.94 = 115,574.62 : x - Step 2: Convert to fraction form
212,374.88/293,071.94 = 115,574.62/x - Step 3: Cross multiply
212,374.88x = 293,071.94 × 115,574.62 - Step 4: Simplify right side
212,374.88x = 33,871,678,098.16 - Step 5: Solve for x
x = 33,871,678,098.16/212,374.88 - Step 6: Final answer
x = 159,490.04
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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.