Finding the Fourth Proportional to 330,596.12, 495,899.64 and 143,607.62
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Solution
The fourth proportional to 330,596.12, 495,899.64 and 143,607.62 is: 215,413.80
Step by Step Solution
- Step 1: Write the proportion equation
330,596.12 : 495,899.64 = 143,607.62 : x - Step 2: Convert to fraction form
330,596.12/495,899.64 = 143,607.62/x - Step 3: Cross multiply
330,596.12x = 495,899.64 × 143,607.62 - Step 4: Simplify right side
330,596.12x = 71,214,964,579.76 - Step 5: Solve for x
x = 71,214,964,579.76/330,596.12 - Step 6: Final answer
x = 215,413.80
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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.