Finding the Fourth Proportional to 535,588.83, 739,112.58 and 306,151.08
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Solution
The fourth proportional to 535,588.83, 739,112.58 and 306,151.08 is: 422,488.49
Step by Step Solution
- Step 1: Write the proportion equation
535,588.83 : 739,112.58 = 306,151.08 : x - Step 2: Convert to fraction form
535,588.83/739,112.58 = 306,151.08/x - Step 3: Cross multiply
535,588.83x = 739,112.58 × 306,151.08 - Step 4: Simplify right side
535,588.83x = 226,280,114,608.59 - Step 5: Solve for x
x = 226,280,114,608.59/535,588.83 - Step 6: Final answer
x = 422,488.49
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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.