Finding the Fourth Proportional to 411,453.14, 567,830.76 and 230,177.26
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Solution
The fourth proportional to 411,453.14, 567,830.76 and 230,177.26 is: 317,658.85
Step by Step Solution
- Step 1: Write the proportion equation
411,453.14 : 567,830.76 = 230,177.26 : x - Step 2: Convert to fraction form
411,453.14/567,830.76 = 230,177.26/x - Step 3: Cross multiply
411,453.14x = 567,830.76 × 230,177.26 - Step 4: Simplify right side
411,453.14x = 130,701,728,327.14 - Step 5: Solve for x
x = 130,701,728,327.14/411,453.14 - Step 6: Final answer
x = 317,658.85
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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.