Finding the Fourth Proportional to 419,070.68, 628,703.62 and 119,555.36
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Solution
The fourth proportional to 419,070.68, 628,703.62 and 119,555.36 is: 179,360.88
Step by Step Solution
- Step 1: Write the proportion equation
419,070.68 : 628,703.62 = 119,555.36 : x - Step 2: Convert to fraction form
419,070.68/628,703.62 = 119,555.36/x - Step 3: Cross multiply
419,070.68x = 628,703.62 × 119,555.36 - Step 4: Simplify right side
419,070.68x = 75,164,887,622.40 - Step 5: Solve for x
x = 75,164,887,622.40/419,070.68 - Step 6: Final answer
x = 179,360.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.