Finding the Fourth Proportional to 284,875.74, 427,116.78 and 124,874.82
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Solution
The fourth proportional to 284,875.74, 427,116.78 and 124,874.82 is: 187,225.95
Step by Step Solution
- Step 1: Write the proportion equation
284,875.74 : 427,116.78 = 124,874.82 : x - Step 2: Convert to fraction form
284,875.74/427,116.78 = 124,874.82/x - Step 3: Cross multiply
284,875.74x = 427,116.78 × 124,874.82 - Step 4: Simplify right side
284,875.74x = 53,336,131,021.48 - Step 5: Solve for x
x = 53,336,131,021.48/284,875.74 - Step 6: Final answer
x = 187,225.95
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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.