Finding the Fourth Proportional to 367,575.70, 551,363.55 and 145,959.70
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Solution
The fourth proportional to 367,575.70, 551,363.55 and 145,959.70 is: 218,939.55
Step by Step Solution
- Step 1: Write the proportion equation
367,575.70 : 551,363.55 = 145,959.70 : x - Step 2: Convert to fraction form
367,575.70/551,363.55 = 145,959.70/x - Step 3: Cross multiply
367,575.70x = 551,363.55 × 145,959.70 - Step 4: Simplify right side
367,575.70x = 80,476,858,348.94 - Step 5: Solve for x
x = 80,476,858,348.94/367,575.70 - Step 6: Final answer
x = 218,939.55
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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.