Finding the Fourth Proportional to 631,524.24, 871,515.99 and 345,062.07
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Solution
The fourth proportional to 631,524.24, 871,515.99 and 345,062.07 is: 476,192.51
Step by Step Solution
- Step 1: Write the proportion equation
631,524.24 : 871,515.99 = 345,062.07 : x - Step 2: Convert to fraction form
631,524.24/871,515.99 = 345,062.07/x - Step 3: Cross multiply
631,524.24x = 871,515.99 × 345,062.07 - Step 4: Simplify right side
631,524.24x = 300,727,111,547.50 - Step 5: Solve for x
x = 300,727,111,547.50/631,524.24 - Step 6: Final answer
x = 476,192.51
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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.