Finding the Fourth Proportional to 272,265.12, 375,400.44 and 176,736.96
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Solution
The fourth proportional to 272,265.12, 375,400.44 and 176,736.96 is: 243,685.76
Step by Step Solution
- Step 1: Write the proportion equation
272,265.12 : 375,400.44 = 176,736.96 : x - Step 2: Convert to fraction form
272,265.12/375,400.44 = 176,736.96/x - Step 3: Cross multiply
272,265.12x = 375,400.44 × 176,736.96 - Step 4: Simplify right side
272,265.12x = 66,347,132,548.26 - Step 5: Solve for x
x = 66,347,132,548.26/272,265.12 - Step 6: Final answer
x = 243,685.76
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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.