Finding the Fourth Proportional to 284,877.99, 427,120.16 and 124,877.07
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Solution
The fourth proportional to 284,877.99, 427,120.16 and 124,877.07 is: 187,229.32
Step by Step Solution
- Step 1: Write the proportion equation
284,877.99 : 427,120.16 = 124,877.07 : x - Step 2: Convert to fraction form
284,877.99/427,120.16 = 124,877.07/x - Step 3: Cross multiply
284,877.99x = 427,120.16 × 124,877.07 - Step 4: Simplify right side
284,877.99x = 53,337,513,494.35 - Step 5: Solve for x
x = 53,337,513,494.35/284,877.99 - Step 6: Final answer
x = 187,229.32
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1.5x scale
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.