Finding the Fourth Proportional to 152,982.98, 229,348.11 and 67,532.99
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Solution
The fourth proportional to 152,982.98, 229,348.11 and 67,532.99 is: 101,243.70
Step by Step Solution
- Step 1: Write the proportion equation
152,982.98 : 229,348.11 = 67,532.99 : x - Step 2: Convert to fraction form
152,982.98/229,348.11 = 67,532.99/x - Step 3: Cross multiply
152,982.98x = 229,348.11 × 67,532.99 - Step 4: Simplify right side
152,982.98x = 15,488,563,619.15 - Step 5: Solve for x
x = 15,488,563,619.15/152,982.98 - Step 6: Final answer
x = 101,243.70
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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.