Finding the Fourth Proportional to 272,139.28, 375,613.12 and 151,322.96
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Solution
The fourth proportional to 272,139.28, 375,613.12 and 151,322.96 is: 208,859.56
Step by Step Solution
- Step 1: Write the proportion equation
272,139.28 : 375,613.12 = 151,322.96 : x - Step 2: Convert to fraction form
272,139.28/375,613.12 = 151,322.96/x - Step 3: Cross multiply
272,139.28x = 375,613.12 × 151,322.96 - Step 4: Simplify right side
272,139.28x = 56,838,889,133.24 - Step 5: Solve for x
x = 56,838,889,133.24/272,139.28 - Step 6: Final answer
x = 208,859.56
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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.