Finding the Fourth Proportional to 229,292.14, 316,423.97 and 127,317.79
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Solution
The fourth proportional to 229,292.14, 316,423.97 and 127,317.79 is: 175,699.00
Step by Step Solution
- Step 1: Write the proportion equation
229,292.14 : 316,423.97 = 127,317.79 : x - Step 2: Convert to fraction form
229,292.14/316,423.97 = 127,317.79/x - Step 3: Cross multiply
229,292.14x = 316,423.97 × 127,317.79 - Step 4: Simplify right side
229,292.14x = 40,286,400,563.43 - Step 5: Solve for x
x = 40,286,400,563.43/229,292.14 - Step 6: Final answer
x = 175,699.00
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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.