Finding the Fourth Proportional to 318,048.17, 477,072.57 and 149,444.87
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Solution
The fourth proportional to 318,048.17, 477,072.57 and 149,444.87 is: 224,167.45
Step by Step Solution
- Step 1: Write the proportion equation
318,048.17 : 477,072.57 = 149,444.87 : x - Step 2: Convert to fraction form
318,048.17/477,072.57 = 149,444.87/x - Step 3: Cross multiply
318,048.17x = 477,072.57 × 149,444.87 - Step 4: Simplify right side
318,048.17x = 71,296,048,204.22 - Step 5: Solve for x
x = 71,296,048,204.22/318,048.17 - Step 6: Final answer
x = 224,167.45
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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.