Finding the Fourth Proportional to 342,927.97, 473,235.49 and 189,965.70
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Solution
The fourth proportional to 342,927.97, 473,235.49 and 189,965.70 is: 262,149.84
Step by Step Solution
- Step 1: Write the proportion equation
342,927.97 : 473,235.49 = 189,965.70 : x - Step 2: Convert to fraction form
342,927.97/473,235.49 = 189,965.70/x - Step 3: Cross multiply
342,927.97x = 473,235.49 × 189,965.70 - Step 4: Simplify right side
342,927.97x = 89,898,510,647.78 - Step 5: Solve for x
x = 89,898,510,647.78/342,927.97 - Step 6: Final answer
x = 262,149.84
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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.