Finding the Fourth Proportional to 411,538.44, 567,731.24 and 266,391.05
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Solution
The fourth proportional to 411,538.44, 567,731.24 and 266,391.05 is: 367,495.49
Step by Step Solution
- Step 1: Write the proportion equation
411,538.44 : 567,731.24 = 266,391.05 : x - Step 2: Convert to fraction form
411,538.44/567,731.24 = 266,391.05/x - Step 3: Cross multiply
411,538.44x = 567,731.24 × 266,391.05 - Step 4: Simplify right side
411,538.44x = 151,238,519,809.45 - Step 5: Solve for x
x = 151,238,519,809.45/411,538.44 - Step 6: Final answer
x = 367,495.49
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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.