Finding the Fourth Proportional to 288,067.74, 397,533.51 and 159,006.26
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Solution
The fourth proportional to 288,067.74, 397,533.51 and 159,006.26 is: 219,428.65
Step by Step Solution
- Step 1: Write the proportion equation
288,067.74 : 397,533.51 = 159,006.26 : x - Step 2: Convert to fraction form
288,067.74/397,533.51 = 159,006.26/x - Step 3: Cross multiply
288,067.74x = 397,533.51 × 159,006.26 - Step 4: Simplify right side
288,067.74x = 63,210,314,662.11 - Step 5: Solve for x
x = 63,210,314,662.11/288,067.74 - Step 6: Final answer
x = 219,428.65
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1.5x scale
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.