Finding the Fourth Proportional to 229,317.63, 316,447.74 and 127,349.57
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Solution
The fourth proportional to 229,317.63, 316,447.74 and 127,349.57 is: 175,736.52
Step by Step Solution
- Step 1: Write the proportion equation
229,317.63 : 316,447.74 = 127,349.57 : x - Step 2: Convert to fraction form
229,317.63/316,447.74 = 127,349.57/x - Step 3: Cross multiply
229,317.63x = 316,447.74 × 127,349.57 - Step 4: Simplify right side
229,317.63x = 40,299,482,034.23 - Step 5: Solve for x
x = 40,299,482,034.23/229,317.63 - Step 6: Final answer
x = 175,736.52
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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.