Finding the Fourth Proportional to 147,004.14, 202,859.73 and 86,577.30
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Solution
The fourth proportional to 147,004.14, 202,859.73 and 86,577.30 is: 119,473.15
Step by Step Solution
- Step 1: Write the proportion equation
147,004.14 : 202,859.73 = 86,577.30 : x - Step 2: Convert to fraction form
147,004.14/202,859.73 = 86,577.30/x - Step 3: Cross multiply
147,004.14x = 202,859.73 × 86,577.30 - Step 4: Simplify right side
147,004.14x = 17,563,047,702.13 - Step 5: Solve for x
x = 17,563,047,702.13/147,004.14 - Step 6: Final answer
x = 119,473.15
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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.