Finding the Fourth Proportional to 318,330.34, 439,296.08 and 175,101.28
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Solution
The fourth proportional to 318,330.34, 439,296.08 and 175,101.28 is: 241,639.88
Step by Step Solution
- Step 1: Write the proportion equation
318,330.34 : 439,296.08 = 175,101.28 : x - Step 2: Convert to fraction form
318,330.34/439,296.08 = 175,101.28/x - Step 3: Cross multiply
318,330.34x = 439,296.08 × 175,101.28 - Step 4: Simplify right side
318,330.34x = 76,921,305,906.98 - Step 5: Solve for x
x = 76,921,305,906.98/318,330.34 - Step 6: Final answer
x = 241,639.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.