Finding the Fourth Proportional to 330,845.58, 456,670.80 and 187,700.76
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Solution
The fourth proportional to 330,845.58, 456,670.80 and 187,700.76 is: 259,085.99
Step by Step Solution
- Step 1: Write the proportion equation
330,845.58 : 456,670.80 = 187,700.76 : x - Step 2: Convert to fraction form
330,845.58/456,670.80 = 187,700.76/x - Step 3: Cross multiply
330,845.58x = 456,670.80 × 187,700.76 - Step 4: Simplify right side
330,845.58x = 85,717,456,229.81 - Step 5: Solve for x
x = 85,717,456,229.81/330,845.58 - Step 6: Final answer
x = 259,085.99
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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.