Finding the Fourth Proportional to 201,639.84, 302,459.76 and 75,289.93
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Solution
The fourth proportional to 201,639.84, 302,459.76 and 75,289.93 is: 112,934.90
Step by Step Solution
- Step 1: Write the proportion equation
201,639.84 : 302,459.76 = 75,289.93 : x - Step 2: Convert to fraction form
201,639.84/302,459.76 = 75,289.93/x - Step 3: Cross multiply
201,639.84x = 302,459.76 × 75,289.93 - Step 4: Simplify right side
201,639.84x = 22,772,174,158.22 - Step 5: Solve for x
x = 22,772,174,158.22/201,639.84 - Step 6: Final answer
x = 112,934.90
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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.