Finding the Fourth Proportional to 330,612.36, 456,294.95 and 201,625.67
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Solution
The fourth proportional to 330,612.36, 456,294.95 and 201,625.67 is: 278,273.84
Step by Step Solution
- Step 1: Write the proportion equation
330,612.36 : 456,294.95 = 201,625.67 : x - Step 2: Convert to fraction form
330,612.36/456,294.95 = 201,625.67/x - Step 3: Cross multiply
330,612.36x = 456,294.95 × 201,625.67 - Step 4: Simplify right side
330,612.36x = 92,000,771,721.76 - Step 5: Solve for x
x = 92,000,771,721.76/330,612.36 - Step 6: Final answer
x = 278,273.84
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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.