Finding the Fourth Proportional to 317,637.08, 438,281.98 and 179,815.08
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Solution
The fourth proportional to 317,637.08, 438,281.98 and 179,815.08 is: 248,112.43
Step by Step Solution
- Step 1: Write the proportion equation
317,637.08 : 438,281.98 = 179,815.08 : x - Step 2: Convert to fraction form
317,637.08/438,281.98 = 179,815.08/x - Step 3: Cross multiply
317,637.08x = 438,281.98 × 179,815.08 - Step 4: Simplify right side
317,637.08x = 78,809,709,296.26 - Step 5: Solve for x
x = 78,809,709,296.26/317,637.08 - Step 6: Final answer
x = 248,112.43
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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.