Finding the Fourth Proportional to 305,137.91, 457,644.23 and 115,533.02
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Solution
The fourth proportional to 305,137.91, 457,644.23 and 115,533.02 is: 173,275.81
Step by Step Solution
- Step 1: Write the proportion equation
305,137.91 : 457,644.23 = 115,533.02 : x - Step 2: Convert to fraction form
305,137.91/457,644.23 = 115,533.02/x - Step 3: Cross multiply
305,137.91x = 457,644.23 × 115,533.02 - Step 4: Simplify right side
305,137.91x = 52,873,017,111.59 - Step 5: Solve for x
x = 52,873,017,111.59/305,137.91 - Step 6: Final answer
x = 173,275.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.