Finding the Fourth Proportional to 239,467.40, 359,589.90 and 160,929.80
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Solution
The fourth proportional to 239,467.40, 359,589.90 and 160,929.80 is: 241,655.99
Step by Step Solution
- Step 1: Write the proportion equation
239,467.40 : 359,589.90 = 160,929.80 : x - Step 2: Convert to fraction form
239,467.40/359,589.90 = 160,929.80/x - Step 3: Cross multiply
239,467.40x = 359,589.90 × 160,929.80 - Step 4: Simplify right side
239,467.40x = 57,868,730,689.02 - Step 5: Solve for x
x = 57,868,730,689.02/239,467.40 - Step 6: Final answer
x = 241,655.99
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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.