Finding the Fourth Proportional to 168,402.06, 232,434.68 and 96,823.71
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Solution
The fourth proportional to 168,402.06, 232,434.68 and 96,823.71 is: 133,639.62
Step by Step Solution
- Step 1: Write the proportion equation
168,402.06 : 232,434.68 = 96,823.71 : x - Step 2: Convert to fraction form
168,402.06/232,434.68 = 96,823.71/x - Step 3: Cross multiply
168,402.06x = 232,434.68 × 96,823.71 - Step 4: Simplify right side
168,402.06x = 22,505,187,566.14 - Step 5: Solve for x
x = 22,505,187,566.14/168,402.06 - Step 6: Final answer
x = 133,639.62
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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.