Finding the Fourth Proportional to 272,437.14, 375,957.39 and 157,720.64
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Solution
The fourth proportional to 272,437.14, 375,957.39 and 157,720.64 is: 217,651.09
Step by Step Solution
- Step 1: Write the proportion equation
272,437.14 : 375,957.39 = 157,720.64 : x - Step 2: Convert to fraction form
272,437.14/375,957.39 = 157,720.64/x - Step 3: Cross multiply
272,437.14x = 375,957.39 × 157,720.64 - Step 4: Simplify right side
272,437.14x = 59,296,240,017.68 - Step 5: Solve for x
x = 59,296,240,017.68/272,437.14 - Step 6: Final answer
x = 217,651.09
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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.