Finding the Fourth Proportional to 201,639.47, 302,459.21 and 61,398.09
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Solution
The fourth proportional to 201,639.47, 302,459.21 and 61,398.09 is: 92,097.14
Step by Step Solution
- Step 1: Write the proportion equation
201,639.47 : 302,459.21 = 61,398.09 : x - Step 2: Convert to fraction form
201,639.47/302,459.21 = 61,398.09/x - Step 3: Cross multiply
201,639.47x = 302,459.21 × 61,398.09 - Step 4: Simplify right side
201,639.47x = 18,570,417,489.92 - Step 5: Solve for x
x = 18,570,417,489.92/201,639.47 - Step 6: Final answer
x = 92,097.14
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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.