Finding the Fourth Proportional to 284,876.74, 427,118.28 and 124,875.82
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Solution
The fourth proportional to 284,876.74, 427,118.28 and 124,875.82 is: 187,227.45
Step by Step Solution
- Step 1: Write the proportion equation
284,876.74 : 427,118.28 = 124,875.82 : x - Step 2: Convert to fraction form
284,876.74/427,118.28 = 124,875.82/x - Step 3: Cross multiply
284,876.74x = 427,118.28 × 124,875.82 - Step 4: Simplify right side
284,876.74x = 53,336,745,451.99 - Step 5: Solve for x
x = 53,336,745,451.99/284,876.74 - Step 6: Final answer
x = 187,227.45
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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.