Finding the Fourth Proportional to 290,705.99, 436,124.79 and 101,175.30
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Solution
The fourth proportional to 290,705.99, 436,124.79 and 101,175.30 is: 151,785.85
Step by Step Solution
- Step 1: Write the proportion equation
290,705.99 : 436,124.79 = 101,175.30 : x - Step 2: Convert to fraction form
290,705.99/436,124.79 = 101,175.30/x - Step 3: Cross multiply
290,705.99x = 436,124.79 × 101,175.30 - Step 4: Simplify right side
290,705.99x = 44,125,056,465.69 - Step 5: Solve for x
x = 44,125,056,465.69/290,705.99 - Step 6: Final answer
x = 151,785.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.