Finding the Fourth Proportional to 316,719.24, 437,072.74 and 173,481.68
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Solution
The fourth proportional to 316,719.24, 437,072.74 and 173,481.68 is: 239,404.82
Step by Step Solution
- Step 1: Write the proportion equation
316,719.24 : 437,072.74 = 173,481.68 : x - Step 2: Convert to fraction form
316,719.24/437,072.74 = 173,481.68/x - Step 3: Cross multiply
316,719.24x = 437,072.74 × 173,481.68 - Step 4: Simplify right side
316,719.24x = 75,824,113,217.40 - Step 5: Solve for x
x = 75,824,113,217.40/316,719.24 - Step 6: Final answer
x = 239,404.82
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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.