Finding the Fourth Proportional to 330,703.98, 456,454.18 and 203,305.76
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Solution
The fourth proportional to 330,703.98, 456,454.18 and 203,305.76 is: 280,612.78
Step by Step Solution
- Step 1: Write the proportion equation
330,703.98 : 456,454.18 = 203,305.76 : x - Step 2: Convert to fraction form
330,703.98/456,454.18 = 203,305.76/x - Step 3: Cross multiply
330,703.98x = 456,454.18 × 203,305.76 - Step 4: Simplify right side
330,703.98x = 92,799,763,970.08 - Step 5: Solve for x
x = 92,799,763,970.08/330,703.98 - Step 6: Final answer
x = 280,612.78
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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.