Finding the Fourth Proportional to 548,605.18, 757,109.06 and 306,904.02
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Solution
The fourth proportional to 548,605.18, 757,109.06 and 306,904.02 is: 423,546.52
Step by Step Solution
- Step 1: Write the proportion equation
548,605.18 : 757,109.06 = 306,904.02 : x - Step 2: Convert to fraction form
548,605.18/757,109.06 = 306,904.02/x - Step 3: Cross multiply
548,605.18x = 757,109.06 × 306,904.02 - Step 4: Simplify right side
548,605.18x = 232,359,814,092.42 - Step 5: Solve for x
x = 232,359,814,092.42/548,605.18 - Step 6: Final answer
x = 423,546.52
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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.