Finding the Fourth Proportional to 151,934.80, 209,670.44 and 83,953.68
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Solution
The fourth proportional to 151,934.80, 209,670.44 and 83,953.68 is: 115,856.31
Step by Step Solution
- Step 1: Write the proportion equation
151,934.80 : 209,670.44 = 83,953.68 : x - Step 2: Convert to fraction form
151,934.80/209,670.44 = 83,953.68/x - Step 3: Cross multiply
151,934.80x = 209,670.44 × 83,953.68 - Step 4: Simplify right side
151,934.80x = 17,602,605,025.22 - Step 5: Solve for x
x = 17,602,605,025.22/151,934.80 - Step 6: Final answer
x = 115,856.31
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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.