Finding the Fourth Proportional to 147,058.92, 202,977.36 and 83,433.96
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Solution
The fourth proportional to 147,058.92, 202,977.36 and 83,433.96 is: 115,159.32
Step by Step Solution
- Step 1: Write the proportion equation
147,058.92 : 202,977.36 = 83,433.96 : x - Step 2: Convert to fraction form
147,058.92/202,977.36 = 83,433.96/x - Step 3: Cross multiply
147,058.92x = 202,977.36 × 83,433.96 - Step 4: Simplify right side
147,058.92x = 16,935,204,935.15 - Step 5: Solve for x
x = 16,935,204,935.15/147,058.92 - Step 6: Final answer
x = 115,159.32
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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.