Finding the Fourth Proportional to 286,526.70, 395,528.08 and 193,412.75
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Solution
The fourth proportional to 286,526.70, 395,528.08 and 193,412.75 is: 266,991.43
Step by Step Solution
- Step 1: Write the proportion equation
286,526.70 : 395,528.08 = 193,412.75 : x - Step 2: Convert to fraction form
286,526.70/395,528.08 = 193,412.75/x - Step 3: Cross multiply
286,526.70x = 395,528.08 × 193,412.75 - Step 4: Simplify right side
286,526.70x = 76,500,173,655.02 - Step 5: Solve for x
x = 76,500,173,655.02/286,526.70 - Step 6: Final answer
x = 266,991.43
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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.