Finding the Fourth Proportional to 292,636.57, 438,990.02 and 103,057.75
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Solution
The fourth proportional to 292,636.57, 438,990.02 and 103,057.75 is: 154,599.01
Step by Step Solution
- Step 1: Write the proportion equation
292,636.57 : 438,990.02 = 103,057.75 : x - Step 2: Convert to fraction form
292,636.57/438,990.02 = 103,057.75/x - Step 3: Cross multiply
292,636.57x = 438,990.02 × 103,057.75 - Step 4: Simplify right side
292,636.57x = 45,241,323,733.66 - Step 5: Solve for x
x = 45,241,323,733.66/292,636.57 - Step 6: Final answer
x = 154,599.01
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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.