Finding the Fourth Proportional to 318,599.73, 439,664.15 and 175,356.70
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Solution
The fourth proportional to 318,599.73, 439,664.15 and 175,356.70 is: 241,990.33
Step by Step Solution
- Step 1: Write the proportion equation
318,599.73 : 439,664.15 = 175,356.70 : x - Step 2: Convert to fraction form
318,599.73/439,664.15 = 175,356.70/x - Step 3: Cross multiply
318,599.73x = 439,664.15 × 175,356.70 - Step 4: Simplify right side
318,599.73x = 77,098,053,791.54 - Step 5: Solve for x
x = 77,098,053,791.54/318,599.73 - Step 6: Final answer
x = 241,990.33
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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.