Finding the Fourth Proportional to 329,125.75, 493,690.25 and 79,807.75
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Solution
The fourth proportional to 329,125.75, 493,690.25 and 79,807.75 is: 119,712.02
Step by Step Solution
- Step 1: Write the proportion equation
329,125.75 : 493,690.25 = 79,807.75 : x - Step 2: Convert to fraction form
329,125.75/493,690.25 = 79,807.75/x - Step 3: Cross multiply
329,125.75x = 493,690.25 × 79,807.75 - Step 4: Simplify right side
329,125.75x = 39,400,307,650.40 - Step 5: Solve for x
x = 39,400,307,650.40/329,125.75 - Step 6: Final answer
x = 119,712.02
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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.