Finding the Fourth Proportional to 229,339.76, 316,465.73 and 133,901.81
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Solution
The fourth proportional to 229,339.76, 316,465.73 and 133,901.81 is: 184,770.99
Step by Step Solution
- Step 1: Write the proportion equation
229,339.76 : 316,465.73 = 133,901.81 : x - Step 2: Convert to fraction form
229,339.76/316,465.73 = 133,901.81/x - Step 3: Cross multiply
229,339.76x = 316,465.73 × 133,901.81 - Step 4: Simplify right side
229,339.76x = 42,375,334,240.21 - Step 5: Solve for x
x = 42,375,334,240.21/229,339.76 - Step 6: Final answer
x = 184,770.99
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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.