Finding the Fourth Proportional to 161,459.02, 242,189.75 and 56,278.09
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Solution
The fourth proportional to 161,459.02, 242,189.75 and 56,278.09 is: 84,417.56
Step by Step Solution
- Step 1: Write the proportion equation
161,459.02 : 242,189.75 = 56,278.09 : x - Step 2: Convert to fraction form
161,459.02/242,189.75 = 56,278.09/x - Step 3: Cross multiply
161,459.02x = 242,189.75 × 56,278.09 - Step 4: Simplify right side
161,459.02x = 13,629,976,991.01 - Step 5: Solve for x
x = 13,629,976,991.01/161,459.02 - Step 6: Final answer
x = 84,417.56
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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.