Finding the Fourth Proportional to 544,561.36, 751,384.38 and 318,163.12
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Solution
The fourth proportional to 544,561.36, 751,384.38 and 318,163.12 is: 439,000.66
Step by Step Solution
- Step 1: Write the proportion equation
544,561.36 : 751,384.38 = 318,163.12 : x - Step 2: Convert to fraction form
544,561.36/751,384.38 = 318,163.12/x - Step 3: Cross multiply
544,561.36x = 751,384.38 × 318,163.12 - Step 4: Simplify right side
544,561.36x = 239,062,798,660.07 - Step 5: Solve for x
x = 239,062,798,660.07/544,561.36 - Step 6: Final answer
x = 439,000.66
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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.