Finding the Fourth Proportional to 286,036.94, 429,057.99 and 72,805.08
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Solution
The fourth proportional to 286,036.94, 429,057.99 and 72,805.08 is: 109,208.28
Step by Step Solution
- Step 1: Write the proportion equation
286,036.94 : 429,057.99 = 72,805.08 : x - Step 2: Convert to fraction form
286,036.94/429,057.99 = 72,805.08/x - Step 3: Cross multiply
286,036.94x = 429,057.99 × 72,805.08 - Step 4: Simplify right side
286,036.94x = 31,237,601,286.59 - Step 5: Solve for x
x = 31,237,601,286.59/286,036.94 - Step 6: Final answer
x = 109,208.28
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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.