Finding the Fourth Proportional to 613,903.23, 847,212.67 and 341,971.32
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Solution
The fourth proportional to 613,903.23, 847,212.67 and 341,971.32 is: 471,935.02
Step by Step Solution
- Step 1: Write the proportion equation
613,903.23 : 847,212.67 = 341,971.32 : x - Step 2: Convert to fraction form
613,903.23/847,212.67 = 341,971.32/x - Step 3: Cross multiply
613,903.23x = 847,212.67 × 341,971.32 - Step 4: Simplify right side
613,903.23x = 289,722,431,995.98 - Step 5: Solve for x
x = 289,722,431,995.98/613,903.23 - Step 6: Final answer
x = 471,935.02
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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.