Finding the Fourth Proportional to 227,585.28, 313,925.76 and 163,822.08
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Solution
The fourth proportional to 227,585.28, 313,925.76 and 163,822.08 is: 225,972.31
Step by Step Solution
- Step 1: Write the proportion equation
227,585.28 : 313,925.76 = 163,822.08 : x - Step 2: Convert to fraction form
227,585.28/313,925.76 = 163,822.08/x - Step 3: Cross multiply
227,585.28x = 313,925.76 × 163,822.08 - Step 4: Simplify right side
227,585.28x = 51,427,970,968.78 - Step 5: Solve for x
x = 51,427,970,968.78/227,585.28 - Step 6: Final answer
x = 225,972.31
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1.5x scale
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.