Finding the Fourth Proportional to 511,219.74, 705,486.04 and 296,487.12
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Solution
The fourth proportional to 511,219.74, 705,486.04 and 296,487.12 is: 409,153.85
Step by Step Solution
- Step 1: Write the proportion equation
511,219.74 : 705,486.04 = 296,487.12 : x - Step 2: Convert to fraction form
511,219.74/705,486.04 = 296,487.12/x - Step 3: Cross multiply
511,219.74x = 705,486.04 × 296,487.12 - Step 4: Simplify right side
511,219.74x = 209,167,524,199.81 - Step 5: Solve for x
x = 209,167,524,199.81/511,219.74 - Step 6: Final answer
x = 409,153.85
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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.