Finding the Fourth Proportional to 189,173.08, 261,060.87 and 104,293.18
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Solution
The fourth proportional to 189,173.08, 261,060.87 and 104,293.18 is: 143,925.70
Step by Step Solution
- Step 1: Write the proportion equation
189,173.08 : 261,060.87 = 104,293.18 : x - Step 2: Convert to fraction form
189,173.08/261,060.87 = 104,293.18/x - Step 3: Cross multiply
189,173.08x = 261,060.87 × 104,293.18 - Step 4: Simplify right side
189,173.08x = 27,226,868,305.87 - Step 5: Solve for x
x = 27,226,868,305.87/189,173.08 - Step 6: Final answer
x = 143,925.70
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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.