Finding the Fourth Proportional to 276,278.09, 414,415.76 and 238,723.19
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Solution
The fourth proportional to 276,278.09, 414,415.76 and 238,723.19 is: 358,083.61
Step by Step Solution
- Step 1: Write the proportion equation
276,278.09 : 414,415.76 = 238,723.19 : x - Step 2: Convert to fraction form
276,278.09/414,415.76 = 238,723.19/x - Step 3: Cross multiply
276,278.09x = 414,415.76 × 238,723.19 - Step 4: Simplify right side
276,278.09x = 98,930,654,175.75 - Step 5: Solve for x
x = 98,930,654,175.75/276,278.09 - Step 6: Final answer
x = 358,083.61
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.