Finding the Fourth Proportional to 759,055.93, 1,138,620.34 and 226,618.63
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Solution
The fourth proportional to 759,055.93, 1,138,620.34 and 226,618.63 is: 339,938.82
Step by Step Solution
- Step 1: Write the proportion equation
759,055.93 : 1,138,620.34 = 226,618.63 : x - Step 2: Convert to fraction form
759,055.93/1,138,620.34 = 226,618.63/x - Step 3: Cross multiply
759,055.93x = 1,138,620.34 × 226,618.63 - Step 4: Simplify right side
759,055.93x = 258,032,578,977.66 - Step 5: Solve for x
x = 258,032,578,977.66/759,055.93 - Step 6: Final answer
x = 339,938.82
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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.