Finding the Fourth Proportional to 322,415.73, 444,898.35 and 186,429.09
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Solution
The fourth proportional to 322,415.73, 444,898.35 and 186,429.09 is: 257,251.70
Step by Step Solution
- Step 1: Write the proportion equation
322,415.73 : 444,898.35 = 186,429.09 : x - Step 2: Convert to fraction form
322,415.73/444,898.35 = 186,429.09/x - Step 3: Cross multiply
322,415.73x = 444,898.35 × 186,429.09 - Step 4: Simplify right side
322,415.73x = 82,941,994,533.00 - Step 5: Solve for x
x = 82,941,994,533.00/322,415.73 - Step 6: Final answer
x = 257,251.70
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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.