Finding the Fourth Proportional to 418,068.75, 627,207.30 and 122,580.75
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Solution
The fourth proportional to 418,068.75, 627,207.30 and 122,580.75 is: 183,901.67
Step by Step Solution
- Step 1: Write the proportion equation
418,068.75 : 627,207.30 = 122,580.75 : x - Step 2: Convert to fraction form
418,068.75/627,207.30 = 122,580.75/x - Step 3: Cross multiply
418,068.75x = 627,207.30 × 122,580.75 - Step 4: Simplify right side
418,068.75x = 76,883,541,239.48 - Step 5: Solve for x
x = 76,883,541,239.48/418,068.75 - Step 6: Final answer
x = 183,901.67
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.