Finding the Fourth Proportional to 284,113.17, 423,841.11 and 276,390.63
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Solution
The fourth proportional to 284,113.17, 423,841.11 and 276,390.63 is: 412,320.60
Step by Step Solution
- Step 1: Write the proportion equation
284,113.17 : 423,841.11 = 276,390.63 : x - Step 2: Convert to fraction form
284,113.17/423,841.11 = 276,390.63/x - Step 3: Cross multiply
284,113.17x = 423,841.11 × 276,390.63 - Step 4: Simplify right side
284,113.17x = 117,145,711,412.80 - Step 5: Solve for x
x = 117,145,711,412.80/284,113.17 - Step 6: Final answer
x = 412,320.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.