Finding the Fourth Proportional to 310,058.82, 427,905.99 and 174,101.81
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Solution
The fourth proportional to 310,058.82, 427,905.99 and 174,101.81 is: 240,274.43
Step by Step Solution
- Step 1: Write the proportion equation
310,058.82 : 427,905.99 = 174,101.81 : x - Step 2: Convert to fraction form
310,058.82/427,905.99 = 174,101.81/x - Step 3: Cross multiply
310,058.82x = 427,905.99 × 174,101.81 - Step 4: Simplify right side
310,058.82x = 74,499,205,229.31 - Step 5: Solve for x
x = 74,499,205,229.31/310,058.82 - Step 6: Final answer
x = 240,274.43
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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.