Finding the Fourth Proportional to 317,373.18, 437,974.98 and 181,410.06
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Solution
The fourth proportional to 317,373.18, 437,974.98 and 181,410.06 is: 250,345.88
Step by Step Solution
- Step 1: Write the proportion equation
317,373.18 : 437,974.98 = 181,410.06 : x - Step 2: Convert to fraction form
317,373.18/437,974.98 = 181,410.06/x - Step 3: Cross multiply
317,373.18x = 437,974.98 × 181,410.06 - Step 4: Simplify right side
317,373.18x = 79,453,067,400.30 - Step 5: Solve for x
x = 79,453,067,400.30/317,373.18 - Step 6: Final answer
x = 250,345.88
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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.