Finding the Fourth Proportional to 453,016.12, 625,486.98 and 317,351.08
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Solution
The fourth proportional to 453,016.12, 625,486.98 and 317,351.08 is: 438,171.98
Step by Step Solution
- Step 1: Write the proportion equation
453,016.12 : 625,486.98 = 317,351.08 : x - Step 2: Convert to fraction form
453,016.12/625,486.98 = 317,351.08/x - Step 3: Cross multiply
453,016.12x = 625,486.98 × 317,351.08 - Step 4: Simplify right side
453,016.12x = 198,498,968,628.94 - Step 5: Solve for x
x = 198,498,968,628.94/453,016.12 - Step 6: Final answer
x = 438,171.98
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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.