Finding the Fourth Proportional to 385,224.03, 531,282.98 and 232,228.70
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Solution
The fourth proportional to 385,224.03, 531,282.98 and 232,228.70 is: 320,278.96
Step by Step Solution
- Step 1: Write the proportion equation
385,224.03 : 531,282.98 = 232,228.70 : x - Step 2: Convert to fraction form
385,224.03/531,282.98 = 232,228.70/x - Step 3: Cross multiply
385,224.03x = 531,282.98 × 232,228.70 - Step 4: Simplify right side
385,224.03x = 123,379,151,959.97 - Step 5: Solve for x
x = 123,379,151,959.97/385,224.03 - Step 6: Final answer
x = 320,278.96
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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.