Finding the Fourth Proportional to 318,244.13, 439,180.13 and 175,005.23
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Solution
The fourth proportional to 318,244.13, 439,180.13 and 175,005.23 is: 241,508.99
Step by Step Solution
- Step 1: Write the proportion equation
318,244.13 : 439,180.13 = 175,005.23 : x - Step 2: Convert to fraction form
318,244.13/439,180.13 = 175,005.23/x - Step 3: Cross multiply
318,244.13x = 439,180.13 × 175,005.23 - Step 4: Simplify right side
318,244.13x = 76,858,818,787.05 - Step 5: Solve for x
x = 76,858,818,787.05/318,244.13 - Step 6: Final answer
x = 241,508.99
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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.