Finding the Fourth Proportional to 415,799.35, 573,803.94 and 224,812.75
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Solution
The fourth proportional to 415,799.35, 573,803.94 and 224,812.75 is: 310,242.05
Step by Step Solution
- Step 1: Write the proportion equation
415,799.35 : 573,803.94 = 224,812.75 : x - Step 2: Convert to fraction form
415,799.35/573,803.94 = 224,812.75/x - Step 3: Cross multiply
415,799.35x = 573,803.94 × 224,812.75 - Step 4: Simplify right side
415,799.35x = 128,998,441,712.24 - Step 5: Solve for x
x = 128,998,441,712.24/415,799.35 - Step 6: Final answer
x = 310,242.05
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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.