Finding the Fourth Proportional to 318,362.22, 439,330.50 and 175,122.18
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Solution
The fourth proportional to 318,362.22, 439,330.50 and 175,122.18 is: 241,663.46
Step by Step Solution
- Step 1: Write the proportion equation
318,362.22 : 439,330.50 = 175,122.18 : x - Step 2: Convert to fraction form
318,362.22/439,330.50 = 175,122.18/x - Step 3: Cross multiply
318,362.22x = 439,330.50 × 175,122.18 - Step 4: Simplify right side
318,362.22x = 76,936,514,900.49 - Step 5: Solve for x
x = 76,936,514,900.49/318,362.22 - Step 6: Final answer
x = 241,663.46
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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.