Finding the Fourth Proportional to 317,534.58, 438,197.51 and 179,710.99
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Solution
The fourth proportional to 317,534.58, 438,197.51 and 179,710.99 is: 248,001.05
Step by Step Solution
- Step 1: Write the proportion equation
317,534.58 : 438,197.51 = 179,710.99 : x - Step 2: Convert to fraction form
317,534.58/438,197.51 = 179,710.99/x - Step 3: Cross multiply
317,534.58x = 438,197.51 × 179,710.99 - Step 4: Simplify right side
317,534.58x = 78,748,907,691.42 - Step 5: Solve for x
x = 78,748,907,691.42/317,534.58 - Step 6: Final answer
x = 248,001.05
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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.