Finding the Fourth Proportional to 169,897.06, 234,452.94 and 93,416.23
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Solution
The fourth proportional to 169,897.06, 234,452.94 and 93,416.23 is: 128,911.65
Step by Step Solution
- Step 1: Write the proportion equation
169,897.06 : 234,452.94 = 93,416.23 : x - Step 2: Convert to fraction form
169,897.06/234,452.94 = 93,416.23/x - Step 3: Cross multiply
169,897.06x = 234,452.94 × 93,416.23 - Step 4: Simplify right side
169,897.06x = 21,901,709,767.22 - Step 5: Solve for x
x = 21,901,709,767.22/169,897.06 - Step 6: Final answer
x = 128,911.65
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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.