Finding the Fourth Proportional to 423,546.21, 635,571.75 and 153,695.40
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Solution
The fourth proportional to 423,546.21, 635,571.75 and 153,695.40 is: 230,634.70
Step by Step Solution
- Step 1: Write the proportion equation
423,546.21 : 635,571.75 = 153,695.40 : x - Step 2: Convert to fraction form
423,546.21/635,571.75 = 153,695.40/x - Step 3: Cross multiply
423,546.21x = 635,571.75 × 153,695.40 - Step 4: Simplify right side
423,546.21x = 97,684,454,921.31 - Step 5: Solve for x
x = 97,684,454,921.31/423,546.21 - Step 6: Final answer
x = 230,634.70
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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.