Finding the Fourth Proportional to 278,901.74, 418,186.26 and 110,446.23
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Solution
The fourth proportional to 278,901.74, 418,186.26 and 110,446.23 is: 165,603.47
Step by Step Solution
- Step 1: Write the proportion equation
278,901.74 : 418,186.26 = 110,446.23 : x - Step 2: Convert to fraction form
278,901.74/418,186.26 = 110,446.23/x - Step 3: Cross multiply
278,901.74x = 418,186.26 × 110,446.23 - Step 4: Simplify right side
278,901.74x = 46,187,095,854.80 - Step 5: Solve for x
x = 46,187,095,854.80/278,901.74 - Step 6: Final answer
x = 165,603.47
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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.