Finding the Fourth Proportional to 155,809.68, 233,922.08 and 105,378.08
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Solution
The fourth proportional to 155,809.68, 233,922.08 and 105,378.08 is: 158,207.50
Step by Step Solution
- Step 1: Write the proportion equation
155,809.68 : 233,922.08 = 105,378.08 : x - Step 2: Convert to fraction form
155,809.68/233,922.08 = 105,378.08/x - Step 3: Cross multiply
155,809.68x = 233,922.08 × 105,378.08 - Step 4: Simplify right side
155,809.68x = 24,650,259,660.01 - Step 5: Solve for x
x = 24,650,259,660.01/155,809.68 - Step 6: Final answer
x = 158,207.50
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1.5x scale
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.