Finding the Fourth Proportional to 380,749.05, 570,975.95 and 203,159.19
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Solution
The fourth proportional to 380,749.05, 570,975.95 and 203,159.19 is: 304,660.01
Step by Step Solution
- Step 1: Write the proportion equation
380,749.05 : 570,975.95 = 203,159.19 : x - Step 2: Convert to fraction form
380,749.05/570,975.95 = 203,159.19/x - Step 3: Cross multiply
380,749.05x = 570,975.95 × 203,159.19 - Step 4: Simplify right side
380,749.05x = 115,999,007,640.81 - Step 5: Solve for x
x = 115,999,007,640.81/380,749.05 - Step 6: Final answer
x = 304,660.01
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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.