Finding the Fourth Proportional to 163,201.17, 244,326.29 and 121,267.20
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Solution
The fourth proportional to 163,201.17, 244,326.29 and 121,267.20 is: 181,547.50
Step by Step Solution
- Step 1: Write the proportion equation
163,201.17 : 244,326.29 = 121,267.20 : x - Step 2: Convert to fraction form
163,201.17/244,326.29 = 121,267.20/x - Step 3: Cross multiply
163,201.17x = 244,326.29 × 121,267.20 - Step 4: Simplify right side
163,201.17x = 29,628,764,468.35 - Step 5: Solve for x
x = 29,628,764,468.35/163,201.17 - Step 6: Final answer
x = 181,547.50
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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.