Finding the Fourth Proportional to 318,204.50, 439,110.97 and 174,963.54
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Solution
The fourth proportional to 318,204.50, 439,110.97 and 174,963.54 is: 241,443.50
Step by Step Solution
- Step 1: Write the proportion equation
318,204.50 : 439,110.97 = 174,963.54 : x - Step 2: Convert to fraction form
318,204.50/439,110.97 = 174,963.54/x - Step 3: Cross multiply
318,204.50x = 439,110.97 × 174,963.54 - Step 4: Simplify right side
318,204.50x = 76,828,409,764.03 - Step 5: Solve for x
x = 76,828,409,764.03/318,204.50 - Step 6: Final answer
x = 241,443.50
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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.