Finding the Fourth Proportional to 169,864.08, 234,415.42 and 93,386.40
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Solution
The fourth proportional to 169,864.08, 234,415.42 and 93,386.40 is: 128,874.88
Step by Step Solution
- Step 1: Write the proportion equation
169,864.08 : 234,415.42 = 93,386.40 : x - Step 2: Convert to fraction form
169,864.08/234,415.42 = 93,386.40/x - Step 3: Cross multiply
169,864.08x = 234,415.42 × 93,386.40 - Step 4: Simplify right side
169,864.08x = 21,891,212,178.29 - Step 5: Solve for x
x = 21,891,212,178.29/169,864.08 - Step 6: Final answer
x = 128,874.88
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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.