Finding the Fourth Proportional to 229,161.96, 316,281.51 and 133,668.68
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Solution
The fourth proportional to 229,161.96, 316,281.51 and 133,668.68 is: 184,484.94
Step by Step Solution
- Step 1: Write the proportion equation
229,161.96 : 316,281.51 = 133,668.68 : x - Step 2: Convert to fraction form
229,161.96/316,281.51 = 133,668.68/x - Step 3: Cross multiply
229,161.96x = 316,281.51 × 133,668.68 - Step 4: Simplify right side
229,161.96x = 42,276,930,368.70 - Step 5: Solve for x
x = 42,276,930,368.70/229,161.96 - Step 6: Final answer
x = 184,484.94
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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.