Finding the Fourth Proportional to 317,044.98, 437,538.83 and 173,811.06
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Solution
The fourth proportional to 317,044.98, 437,538.83 and 173,811.06 is: 239,868.45
Step by Step Solution
- Step 1: Write the proportion equation
317,044.98 : 437,538.83 = 173,811.06 : x - Step 2: Convert to fraction form
317,044.98/437,538.83 = 173,811.06/x - Step 3: Cross multiply
317,044.98x = 437,538.83 × 173,811.06 - Step 4: Simplify right side
317,044.98x = 76,049,086,080.29 - Step 5: Solve for x
x = 76,049,086,080.29/317,044.98 - Step 6: Final answer
x = 239,868.45
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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.