Finding the Fourth Proportional to 276,189.09, 412,267.34 and 236,998.05
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Solution
The fourth proportional to 276,189.09, 412,267.34 and 236,998.05 is: 353,766.89
Step by Step Solution
- Step 1: Write the proportion equation
276,189.09 : 412,267.34 = 236,998.05 : x - Step 2: Convert to fraction form
276,189.09/412,267.34 = 236,998.05/x - Step 3: Cross multiply
276,189.09x = 412,267.34 × 236,998.05 - Step 4: Simplify right side
276,189.09x = 97,706,553,597.35 - Step 5: Solve for x
x = 97,706,553,597.35/276,189.09 - Step 6: Final answer
x = 353,766.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.