Finding the Fourth Proportional to 160,421.46, 240,868.74 and 89,482.70
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Solution
The fourth proportional to 160,421.46, 240,868.74 and 89,482.70 is: 134,355.99
Step by Step Solution
- Step 1: Write the proportion equation
160,421.46 : 240,868.74 = 89,482.70 : x - Step 2: Convert to fraction form
160,421.46/240,868.74 = 89,482.70/x - Step 3: Cross multiply
160,421.46x = 240,868.74 × 89,482.70 - Step 4: Simplify right side
160,421.46x = 21,553,583,996.45 - Step 5: Solve for x
x = 21,553,583,996.45/160,421.46 - Step 6: Final answer
x = 134,355.99
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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.