Finding the Fourth Proportional to 286,053.18, 394,900.38 and 201,547.50
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Solution
The fourth proportional to 286,053.18, 394,900.38 and 201,547.50 is: 278,239.12
Step by Step Solution
- Step 1: Write the proportion equation
286,053.18 : 394,900.38 = 201,547.50 : x - Step 2: Convert to fraction form
286,053.18/394,900.38 = 201,547.50/x - Step 3: Cross multiply
286,053.18x = 394,900.38 × 201,547.50 - Step 4: Simplify right side
286,053.18x = 79,591,184,338.05 - Step 5: Solve for x
x = 79,591,184,338.05/286,053.18 - Step 6: Final answer
x = 278,239.12
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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.