Finding the Fourth Proportional to 284,401.21, 426,679.62 and 124,448.08
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Solution
The fourth proportional to 284,401.21, 426,679.62 and 124,448.08 is: 186,706.17
Step by Step Solution
- Step 1: Write the proportion equation
284,401.21 : 426,679.62 = 124,448.08 : x - Step 2: Convert to fraction form
284,401.21/426,679.62 = 124,448.08/x - Step 3: Cross multiply
284,401.21x = 426,679.62 × 124,448.08 - Step 4: Simplify right side
284,401.21x = 53,099,459,484.13 - Step 5: Solve for x
x = 53,099,459,484.13/284,401.21 - Step 6: Final answer
x = 186,706.17
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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.