Finding the Fourth Proportional to 408,158.44, 612,236.98 and 141,918.53
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Solution
The fourth proportional to 408,158.44, 612,236.98 and 141,918.53 is: 212,877.56
Step by Step Solution
- Step 1: Write the proportion equation
408,158.44 : 612,236.98 = 141,918.53 : x - Step 2: Convert to fraction form
408,158.44/612,236.98 = 141,918.53/x - Step 3: Cross multiply
408,158.44x = 612,236.98 × 141,918.53 - Step 4: Simplify right side
408,158.44x = 86,887,772,773.29 - Step 5: Solve for x
x = 86,887,772,773.29/408,158.44 - Step 6: Final answer
x = 212,877.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.