Finding the Fourth Proportional to 189,587.39, 261,628.99 and 104,702.63
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Solution
The fourth proportional to 189,587.39, 261,628.99 and 104,702.63 is: 144,488.74
Step by Step Solution
- Step 1: Write the proportion equation
189,587.39 : 261,628.99 = 104,702.63 : x - Step 2: Convert to fraction form
189,587.39/261,628.99 = 104,702.63/x - Step 3: Cross multiply
189,587.39x = 261,628.99 × 104,702.63 - Step 4: Simplify right side
189,587.39x = 27,393,241,767.34 - Step 5: Solve for x
x = 27,393,241,767.34/189,587.39 - Step 6: Final answer
x = 144,488.74
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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.