Finding the Fourth Proportional to 204,373.20, 306,398.52 and 86,062.80
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Solution
The fourth proportional to 204,373.20, 306,398.52 and 86,062.80 is: 129,026.28
Step by Step Solution
- Step 1: Write the proportion equation
204,373.20 : 306,398.52 = 86,062.80 : x - Step 2: Convert to fraction form
204,373.20/306,398.52 = 86,062.80/x - Step 3: Cross multiply
204,373.20x = 306,398.52 × 86,062.80 - Step 4: Simplify right side
204,373.20x = 26,369,514,547.06 - Step 5: Solve for x
x = 26,369,514,547.06/204,373.20 - Step 6: Final answer
x = 129,026.28
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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.