Finding the Fourth Proportional to 279,530.01, 385,757.73 and 158,659.99
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Solution
The fourth proportional to 279,530.01, 385,757.73 and 158,659.99 is: 218,954.37
Step by Step Solution
- Step 1: Write the proportion equation
279,530.01 : 385,757.73 = 158,659.99 : x - Step 2: Convert to fraction form
279,530.01/385,757.73 = 158,659.99/x - Step 3: Cross multiply
279,530.01x = 385,757.73 × 158,659.99 - Step 4: Simplify right side
279,530.01x = 61,204,316,619.83 - Step 5: Solve for x
x = 61,204,316,619.83/279,530.01 - Step 6: Final answer
x = 218,954.37
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1.5x scale
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.