Finding the Fourth Proportional to 169,415.08, 233,792.94 and 93,964.12
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Solution
The fourth proportional to 169,415.08, 233,792.94 and 93,964.12 is: 129,670.56
Step by Step Solution
- Step 1: Write the proportion equation
169,415.08 : 233,792.94 = 93,964.12 : x - Step 2: Convert to fraction form
169,415.08/233,792.94 = 93,964.12/x - Step 3: Cross multiply
169,415.08x = 233,792.94 × 93,964.12 - Step 4: Simplify right side
169,415.08x = 21,968,147,869.31 - Step 5: Solve for x
x = 21,968,147,869.31/169,415.08 - Step 6: Final answer
x = 129,670.56
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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.