Finding the Fourth Proportional to 373,800.18, 515,873.70 and 212,662.02
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Solution
The fourth proportional to 373,800.18, 515,873.70 and 212,662.02 is: 293,490.34
Step by Step Solution
- Step 1: Write the proportion equation
373,800.18 : 515,873.70 = 212,662.02 : x - Step 2: Convert to fraction form
373,800.18/515,873.70 = 212,662.02/x - Step 3: Cross multiply
373,800.18x = 515,873.70 × 212,662.02 - Step 4: Simplify right side
373,800.18x = 109,706,743,106.87 - Step 5: Solve for x
x = 109,706,743,106.87/373,800.18 - Step 6: Final answer
x = 293,490.34
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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.