Finding the Fourth Proportional to 318,334.84, 439,309.10 and 175,102.13
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Solution
The fourth proportional to 318,334.84, 439,309.10 and 175,102.13 is: 241,644.80
Step by Step Solution
- Step 1: Write the proportion equation
318,334.84 : 439,309.10 = 175,102.13 : x - Step 2: Convert to fraction form
318,334.84/439,309.10 = 175,102.13/x - Step 3: Cross multiply
318,334.84x = 439,309.10 × 175,102.13 - Step 4: Simplify right side
318,334.84x = 76,923,959,138.38 - Step 5: Solve for x
x = 76,923,959,138.38/318,334.84 - Step 6: Final answer
x = 241,644.80
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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.