Finding the Fourth Proportional to 115,264.14, 159,058.35 and 74,356.62
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Solution
The fourth proportional to 115,264.14, 159,058.35 and 74,356.62 is: 102,608.16
Step by Step Solution
- Step 1: Write the proportion equation
115,264.14 : 159,058.35 = 74,356.62 : x - Step 2: Convert to fraction form
115,264.14/159,058.35 = 74,356.62/x - Step 3: Cross multiply
115,264.14x = 159,058.35 × 74,356.62 - Step 4: Simplify right side
115,264.14x = 11,827,041,288.78 - Step 5: Solve for x
x = 11,827,041,288.78/115,264.14 - Step 6: Final answer
x = 102,608.16
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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.