Finding the Fourth Proportional to 160,437.68, 221,334.50 and 96,740.09
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Solution
The fourth proportional to 160,437.68, 221,334.50 and 96,740.09 is: 133,459.42
Step by Step Solution
- Step 1: Write the proportion equation
160,437.68 : 221,334.50 = 96,740.09 : x - Step 2: Convert to fraction form
160,437.68/221,334.50 = 96,740.09/x - Step 3: Cross multiply
160,437.68x = 221,334.50 × 96,740.09 - Step 4: Simplify right side
160,437.68x = 21,411,919,450.11 - Step 5: Solve for x
x = 21,411,919,450.11/160,437.68 - Step 6: Final answer
x = 133,459.42
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1.5x scale
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.