Finding the Fourth Proportional to 258,201.64, 356,030.58 and 167,438.44
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Solution
The fourth proportional to 258,201.64, 356,030.58 and 167,438.44 is: 230,878.49
Step by Step Solution
- Step 1: Write the proportion equation
258,201.64 : 356,030.58 = 167,438.44 : x - Step 2: Convert to fraction form
258,201.64/356,030.58 = 167,438.44/x - Step 3: Cross multiply
258,201.64x = 356,030.58 × 167,438.44 - Step 4: Simplify right side
258,201.64x = 59,613,204,907.50 - Step 5: Solve for x
x = 59,613,204,907.50/258,201.64 - Step 6: Final answer
x = 230,878.49
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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.