Finding the Fourth Proportional to 442,725.80, 664,088.70 and 110,301.80
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Solution
The fourth proportional to 442,725.80, 664,088.70 and 110,301.80 is: 165,452.70
Step by Step Solution
- Step 1: Write the proportion equation
442,725.80 : 664,088.70 = 110,301.80 : x - Step 2: Convert to fraction form
442,725.80/664,088.70 = 110,301.80/x - Step 3: Cross multiply
442,725.80x = 664,088.70 × 110,301.80 - Step 4: Simplify right side
442,725.80x = 73,250,178,969.66 - Step 5: Solve for x
x = 73,250,178,969.66/442,725.80 - Step 6: Final answer
x = 165,452.70
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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.