Finding the Fourth Proportional to 295,201.80, 442,802.70 and 145,465.20
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Solution
The fourth proportional to 295,201.80, 442,802.70 and 145,465.20 is: 218,197.80
Step by Step Solution
- Step 1: Write the proportion equation
295,201.80 : 442,802.70 = 145,465.20 : x - Step 2: Convert to fraction form
295,201.80/442,802.70 = 145,465.20/x - Step 3: Cross multiply
295,201.80x = 442,802.70 × 145,465.20 - Step 4: Simplify right side
295,201.80x = 64,412,383,316.04 - Step 5: Solve for x
x = 64,412,383,316.04/295,201.80 - Step 6: Final answer
x = 218,197.80
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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.