Finding the Fourth Proportional to 403,943.17, 605,914.77 and 123,457.99
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Solution
The fourth proportional to 403,943.17, 605,914.77 and 123,457.99 is: 185,186.99
Step by Step Solution
- Step 1: Write the proportion equation
403,943.17 : 605,914.77 = 123,457.99 : x - Step 2: Convert to fraction form
403,943.17/605,914.77 = 123,457.99/x - Step 3: Cross multiply
403,943.17x = 605,914.77 × 123,457.99 - Step 4: Simplify right side
403,943.17x = 74,805,019,615.51 - Step 5: Solve for x
x = 74,805,019,615.51/403,943.17 - Step 6: Final answer
x = 185,186.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.