Finding the Fourth Proportional to 306,060.28, 422,353.08 and 168,239.68
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Solution
The fourth proportional to 306,060.28, 422,353.08 and 168,239.68 is: 232,165.20
Step by Step Solution
- Step 1: Write the proportion equation
306,060.28 : 422,353.08 = 168,239.68 : x - Step 2: Convert to fraction form
306,060.28/422,353.08 = 168,239.68/x - Step 3: Cross multiply
306,060.28x = 422,353.08 × 168,239.68 - Step 4: Simplify right side
306,060.28x = 71,056,547,026.21 - Step 5: Solve for x
x = 71,056,547,026.21/306,060.28 - Step 6: Final answer
x = 232,165.20
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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.