Finding the Fourth Proportional to 380,749.06, 570,975.94 and 203,159.18
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Solution
The fourth proportional to 380,749.06, 570,975.94 and 203,159.18 is: 304,659.99
Step by Step Solution
- Step 1: Write the proportion equation
380,749.06 : 570,975.94 = 203,159.18 : x - Step 2: Convert to fraction form
380,749.06/570,975.94 = 203,159.18/x - Step 3: Cross multiply
380,749.06x = 570,975.94 × 203,159.18 - Step 4: Simplify right side
380,749.06x = 115,999,003,770.13 - Step 5: Solve for x
x = 115,999,003,770.13/380,749.06 - Step 6: Final answer
x = 304,659.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.