Finding the Fourth Proportional to 398,937.18, 550,478.73 and 229,171.26
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Solution
The fourth proportional to 398,937.18, 550,478.73 and 229,171.26 is: 316,224.99
Step by Step Solution
- Step 1: Write the proportion equation
398,937.18 : 550,478.73 = 229,171.26 : x - Step 2: Convert to fraction form
398,937.18/550,478.73 = 229,171.26/x - Step 3: Cross multiply
398,937.18x = 550,478.73 × 229,171.26 - Step 4: Simplify right side
398,937.18x = 126,153,904,157.30 - Step 5: Solve for x
x = 126,153,904,157.30/398,937.18 - Step 6: Final answer
x = 316,224.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.