Finding the Fourth Proportional to 448,858.75, 619,425.09 and 247,654.75
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Solution
The fourth proportional to 448,858.75, 619,425.09 and 247,654.75 is: 341,763.56
Step by Step Solution
- Step 1: Write the proportion equation
448,858.75 : 619,425.09 = 247,654.75 : x - Step 2: Convert to fraction form
448,858.75/619,425.09 = 247,654.75/x - Step 3: Cross multiply
448,858.75x = 619,425.09 × 247,654.75 - Step 4: Simplify right side
448,858.75x = 153,403,565,807.68 - Step 5: Solve for x
x = 153,403,565,807.68/448,858.75 - Step 6: Final answer
x = 341,763.56
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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.