Finding the Fourth Proportional to 272,343.30, 375,828.35 and 151,481.99
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Solution
The fourth proportional to 272,343.30, 375,828.35 and 151,481.99 is: 209,042.13
Step by Step Solution
- Step 1: Write the proportion equation
272,343.30 : 375,828.35 = 151,481.99 : x - Step 2: Convert to fraction form
272,343.30/375,828.35 = 151,481.99/x - Step 3: Cross multiply
272,343.30x = 375,828.35 × 151,481.99 - Step 4: Simplify right side
272,343.30x = 56,931,223,719.86 - Step 5: Solve for x
x = 56,931,223,719.86/272,343.30 - Step 6: Final answer
x = 209,042.13
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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.