Finding the Fourth Proportional to 511,163.08, 705,407.94 and 296,430.64
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Solution
The fourth proportional to 511,163.08, 705,407.94 and 296,430.64 is: 409,075.96
Step by Step Solution
- Step 1: Write the proportion equation
511,163.08 : 705,407.94 = 296,430.64 : x - Step 2: Convert to fraction form
511,163.08/705,407.94 = 296,430.64/x - Step 3: Cross multiply
511,163.08x = 705,407.94 × 296,430.64 - Step 4: Simplify right side
511,163.08x = 209,104,527,115.28 - Step 5: Solve for x
x = 209,104,527,115.28/511,163.08 - Step 6: Final answer
x = 409,075.96
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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.