Finding the Fourth Proportional to 320,840.23, 442,799.09 and 183,053.08
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Solution
The fourth proportional to 320,840.23, 442,799.09 and 183,053.08 is: 252,635.83
Step by Step Solution
- Step 1: Write the proportion equation
320,840.23 : 442,799.09 = 183,053.08 : x - Step 2: Convert to fraction form
320,840.23/442,799.09 = 183,053.08/x - Step 3: Cross multiply
320,840.23x = 442,799.09 × 183,053.08 - Step 4: Simplify right side
320,840.23x = 81,055,737,913.60 - Step 5: Solve for x
x = 81,055,737,913.60/320,840.23 - Step 6: Final answer
x = 252,635.83
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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.