Finding the Fourth Proportional to 178,575.73, 246,418.18 and 105,966.07
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Solution
The fourth proportional to 178,575.73, 246,418.18 and 105,966.07 is: 146,223.49
Step by Step Solution
- Step 1: Write the proportion equation
178,575.73 : 246,418.18 = 105,966.07 : x - Step 2: Convert to fraction form
178,575.73/246,418.18 = 105,966.07/x - Step 3: Cross multiply
178,575.73x = 246,418.18 × 105,966.07 - Step 4: Simplify right side
178,575.73x = 26,111,966,111.15 - Step 5: Solve for x
x = 26,111,966,111.15/178,575.73 - Step 6: Final answer
x = 146,223.49
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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.