Finding the Fourth Proportional to 286,530.28, 395,394.42 and 159,201.52
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Solution
The fourth proportional to 286,530.28, 395,394.42 and 159,201.52 is: 219,688.45
Step by Step Solution
- Step 1: Write the proportion equation
286,530.28 : 395,394.42 = 159,201.52 : x - Step 2: Convert to fraction form
286,530.28/395,394.42 = 159,201.52/x - Step 3: Cross multiply
286,530.28x = 395,394.42 × 159,201.52 - Step 4: Simplify right side
286,530.28x = 62,947,392,663.52 - Step 5: Solve for x
x = 62,947,392,663.52/286,530.28 - Step 6: Final answer
x = 219,688.45
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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.