Finding the Fourth Proportional to 233,110.20, 321,684.12 and 131,137.68
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Solution
The fourth proportional to 233,110.20, 321,684.12 and 131,137.68 is: 180,965.52
Step by Step Solution
- Step 1: Write the proportion equation
233,110.20 : 321,684.12 = 131,137.68 : x - Step 2: Convert to fraction form
233,110.20/321,684.12 = 131,137.68/x - Step 3: Cross multiply
233,110.20x = 321,684.12 × 131,137.68 - Step 4: Simplify right side
233,110.20x = 42,184,909,189.64 - Step 5: Solve for x
x = 42,184,909,189.64/233,110.20 - Step 6: Final answer
x = 180,965.52
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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.