Finding the Fourth Proportional to 159,259.62, 219,787.35 and 91,287.90
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Solution
The fourth proportional to 159,259.62, 219,787.35 and 91,287.90 is: 125,982.50
Step by Step Solution
- Step 1: Write the proportion equation
159,259.62 : 219,787.35 = 91,287.90 : x - Step 2: Convert to fraction form
159,259.62/219,787.35 = 91,287.90/x - Step 3: Cross multiply
159,259.62x = 219,787.35 × 91,287.90 - Step 4: Simplify right side
159,259.62x = 20,063,925,628.07 - Step 5: Solve for x
x = 20,063,925,628.07/159,259.62 - Step 6: Final answer
x = 125,982.50
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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.