Finding the Fourth Proportional to 386,133.08, 532,862.94 and 235,230.08
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Solution
The fourth proportional to 386,133.08, 532,862.94 and 235,230.08 is: 324,617.08
Step by Step Solution
- Step 1: Write the proportion equation
386,133.08 : 532,862.94 = 235,230.08 : x - Step 2: Convert to fraction form
386,133.08/532,862.94 = 235,230.08/x - Step 3: Cross multiply
386,133.08x = 532,862.94 × 235,230.08 - Step 4: Simplify right side
386,133.08x = 125,345,392,005.24 - Step 5: Solve for x
x = 125,345,392,005.24/386,133.08 - Step 6: Final answer
x = 324,617.08
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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.