Finding the Fourth Proportional to 239,833.96, 359,766.50 and 79,903.08
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Solution
The fourth proportional to 239,833.96, 359,766.50 and 79,903.08 is: 119,859.80
Step by Step Solution
- Step 1: Write the proportion equation
239,833.96 : 359,766.50 = 79,903.08 : x - Step 2: Convert to fraction form
239,833.96/359,766.50 = 79,903.08/x - Step 3: Cross multiply
239,833.96x = 359,766.50 × 79,903.08 - Step 4: Simplify right side
239,833.96x = 28,746,451,430.82 - Step 5: Solve for x
x = 28,746,451,430.82/239,833.96 - Step 6: Final answer
x = 119,859.80
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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.