Finding the Fourth Proportional to 318,363.80, 439,334.82 and 175,120.79
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Solution
The fourth proportional to 318,363.80, 439,334.82 and 175,120.79 is: 241,662.71
Step by Step Solution
- Step 1: Write the proportion equation
318,363.80 : 439,334.82 = 175,120.79 : x - Step 2: Convert to fraction form
318,363.80/439,334.82 = 175,120.79/x - Step 3: Cross multiply
318,363.80x = 439,334.82 × 175,120.79 - Step 4: Simplify right side
318,363.80x = 76,936,658,556.23 - Step 5: Solve for x
x = 76,936,658,556.23/318,363.80 - Step 6: Final answer
x = 241,662.71
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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.