Finding the Fourth Proportional to 317,402.64, 438,014.43 and 174,165.08
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Solution
The fourth proportional to 317,402.64, 438,014.43 and 174,165.08 is: 240,347.14
Step by Step Solution
- Step 1: Write the proportion equation
317,402.64 : 438,014.43 = 174,165.08 : x - Step 2: Convert to fraction form
317,402.64/438,014.43 = 174,165.08/x - Step 3: Cross multiply
317,402.64x = 438,014.43 × 174,165.08 - Step 4: Simplify right side
317,402.64x = 76,286,816,052.03 - Step 5: Solve for x
x = 76,286,816,052.03/317,402.64 - Step 6: Final answer
x = 240,347.14
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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.