Finding the Fourth Proportional to 330,558.18, 456,168.15 and 179,655.18
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Solution
The fourth proportional to 330,558.18, 456,168.15 and 179,655.18 is: 247,922.99
Step by Step Solution
- Step 1: Write the proportion equation
330,558.18 : 456,168.15 = 179,655.18 : x - Step 2: Convert to fraction form
330,558.18/456,168.15 = 179,655.18/x - Step 3: Cross multiply
330,558.18x = 456,168.15 × 179,655.18 - Step 4: Simplify right side
330,558.18x = 81,952,971,098.52 - Step 5: Solve for x
x = 81,952,971,098.52/330,558.18 - Step 6: Final answer
x = 247,922.99
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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.