Finding the Fourth Proportional to 306,976.06, 423,620.58 and 171,009.82
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Solution
The fourth proportional to 306,976.06, 423,620.58 and 171,009.82 is: 235,990.00
Step by Step Solution
- Step 1: Write the proportion equation
306,976.06 : 423,620.58 = 171,009.82 : x - Step 2: Convert to fraction form
306,976.06/423,620.58 = 171,009.82/x - Step 3: Cross multiply
306,976.06x = 423,620.58 × 171,009.82 - Step 4: Simplify right side
306,976.06x = 72,443,279,134.10 - Step 5: Solve for x
x = 72,443,279,134.10/306,976.06 - Step 6: Final answer
x = 235,990.00
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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.