Finding the Fourth Proportional to 189,110.70, 260,974.35 and 104,227.98
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Solution
The fourth proportional to 189,110.70, 260,974.35 and 104,227.98 is: 143,835.49
Step by Step Solution
- Step 1: Write the proportion equation
189,110.70 : 260,974.35 = 104,227.98 : x - Step 2: Convert to fraction form
189,110.70/260,974.35 = 104,227.98/x - Step 3: Cross multiply
189,110.70x = 260,974.35 × 104,227.98 - Step 4: Simplify right side
189,110.70x = 27,200,829,332.31 - Step 5: Solve for x
x = 27,200,829,332.31/189,110.70 - Step 6: Final answer
x = 143,835.49
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1.5x scale
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.