Finding the Fourth Proportional to 179,860.10, 248,203.50 and 99,290.12
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Solution
The fourth proportional to 179,860.10, 248,203.50 and 99,290.12 is: 137,018.47
Step by Step Solution
- Step 1: Write the proportion equation
179,860.10 : 248,203.50 = 99,290.12 : x - Step 2: Convert to fraction form
179,860.10/248,203.50 = 99,290.12/x - Step 3: Cross multiply
179,860.10x = 248,203.50 × 99,290.12 - Step 4: Simplify right side
179,860.10x = 24,644,155,299.42 - Step 5: Solve for x
x = 24,644,155,299.42/179,860.10 - Step 6: Final answer
x = 137,018.47
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1.5x scale
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.