Finding the Fourth Proportional to 272,430.15, 375,944.14 and 149,911.08
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Solution
The fourth proportional to 272,430.15, 375,944.14 and 149,911.08 is: 206,872.08
Step by Step Solution
- Step 1: Write the proportion equation
272,430.15 : 375,944.14 = 149,911.08 : x - Step 2: Convert to fraction form
272,430.15/375,944.14 = 149,911.08/x - Step 3: Cross multiply
272,430.15x = 375,944.14 × 149,911.08 - Step 4: Simplify right side
272,430.15x = 56,358,192,047.07 - Step 5: Solve for x
x = 56,358,192,047.07/272,430.15 - Step 6: Final answer
x = 206,872.08
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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.