Finding the Fourth Proportional to 205,428.12, 283,327.68 and 124,854.12
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Solution
The fourth proportional to 205,428.12, 283,327.68 and 124,854.12 is: 172,199.54
Step by Step Solution
- Step 1: Write the proportion equation
205,428.12 : 283,327.68 = 124,854.12 : x - Step 2: Convert to fraction form
205,428.12/283,327.68 = 124,854.12/x - Step 3: Cross multiply
205,428.12x = 283,327.68 × 124,854.12 - Step 4: Simplify right side
205,428.12x = 35,374,628,158.04 - Step 5: Solve for x
x = 35,374,628,158.04/205,428.12 - Step 6: Final answer
x = 172,199.54
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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.