Finding the Fourth Proportional to 445,812.25, 615,220.84 and 254,829.75
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Solution
The fourth proportional to 445,812.25, 615,220.84 and 254,829.75 is: 351,665.02
Step by Step Solution
- Step 1: Write the proportion equation
445,812.25 : 615,220.84 = 254,829.75 : x - Step 2: Convert to fraction form
445,812.25/615,220.84 = 254,829.75/x - Step 3: Cross multiply
445,812.25x = 615,220.84 × 254,829.75 - Step 4: Simplify right side
445,812.25x = 156,776,572,851.99 - Step 5: Solve for x
x = 156,776,572,851.99/445,812.25 - Step 6: Final answer
x = 351,665.02
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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.