Finding the Fourth Proportional to 272,442.14, 375,964.28 and 157,725.66
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Solution
The fourth proportional to 272,442.14, 375,964.28 and 157,725.66 is: 217,658.01
Step by Step Solution
- Step 1: Write the proportion equation
272,442.14 : 375,964.28 = 157,725.66 : x - Step 2: Convert to fraction form
272,442.14/375,964.28 = 157,725.66/x - Step 3: Cross multiply
272,442.14x = 375,964.28 × 157,725.66 - Step 4: Simplify right side
272,442.14x = 59,299,214,199.42 - Step 5: Solve for x
x = 59,299,214,199.42/272,442.14 - Step 6: Final answer
x = 217,658.01
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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.