Finding the Fourth Proportional to 272,442.66, 375,964.97 and 157,726.14
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Solution
The fourth proportional to 272,442.66, 375,964.97 and 157,726.14 is: 217,658.66
Step by Step Solution
- Step 1: Write the proportion equation
272,442.66 : 375,964.97 = 157,726.14 : x - Step 2: Convert to fraction form
272,442.66/375,964.97 = 157,726.14/x - Step 3: Cross multiply
272,442.66x = 375,964.97 × 157,726.14 - Step 4: Simplify right side
272,442.66x = 59,299,503,493.32 - Step 5: Solve for x
x = 59,299,503,493.32/272,442.66 - Step 6: Final answer
x = 217,658.66
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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.