Finding the Fourth Proportional to 192,248.98, 288,306.68 and 106,989.94
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Solution
The fourth proportional to 192,248.98, 288,306.68 and 106,989.94 is: 160,447.74
Step by Step Solution
- Step 1: Write the proportion equation
192,248.98 : 288,306.68 = 106,989.94 : x - Step 2: Convert to fraction form
192,248.98/288,306.68 = 106,989.94/x - Step 3: Cross multiply
192,248.98x = 288,306.68 × 106,989.94 - Step 4: Simplify right side
192,248.98x = 30,845,914,394.80 - Step 5: Solve for x
x = 30,845,914,394.80/192,248.98 - Step 6: Final answer
x = 160,447.74
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1.5x scale
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.