Finding the Fourth Proportional to 284,031.84, 425,941.44 and 121,905.42
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Solution
The fourth proportional to 284,031.84, 425,941.44 and 121,905.42 is: 182,812.50
Step by Step Solution
- Step 1: Write the proportion equation
284,031.84 : 425,941.44 = 121,905.42 : x - Step 2: Convert to fraction form
284,031.84/425,941.44 = 121,905.42/x - Step 3: Cross multiply
284,031.84x = 425,941.44 × 121,905.42 - Step 4: Simplify right side
284,031.84x = 51,924,570,138.60 - Step 5: Solve for x
x = 51,924,570,138.60/284,031.84 - Step 6: Final answer
x = 182,812.50
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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.