Finding the Fourth Proportional to 318,537.58, 439,581.90 and 175,297.62
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Solution
The fourth proportional to 318,537.58, 439,581.90 and 175,297.62 is: 241,910.74
Step by Step Solution
- Step 1: Write the proportion equation
318,537.58 : 439,581.90 = 175,297.62 : x - Step 2: Convert to fraction form
318,537.58/439,581.90 = 175,297.62/x - Step 3: Cross multiply
318,537.58x = 439,581.90 × 175,297.62 - Step 4: Simplify right side
318,537.58x = 77,057,660,865.08 - Step 5: Solve for x
x = 77,057,660,865.08/318,537.58 - Step 6: Final answer
x = 241,910.74
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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.