Finding the Fourth Proportional to 542,531.05, 813,850.54 and 201,065.63
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Solution
The fourth proportional to 542,531.05, 813,850.54 and 201,065.63 is: 301,618.44
Step by Step Solution
- Step 1: Write the proportion equation
542,531.05 : 813,850.54 = 201,065.63 : x - Step 2: Convert to fraction form
542,531.05/813,850.54 = 201,065.63/x - Step 3: Cross multiply
542,531.05x = 813,850.54 × 201,065.63 - Step 4: Simplify right side
542,531.05x = 163,637,366,979.02 - Step 5: Solve for x
x = 163,637,366,979.02/542,531.05 - Step 6: Final answer
x = 301,618.44
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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.