Finding the Fourth Proportional to 170,687.07, 235,438.51 and 103,619.07
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Solution
The fourth proportional to 170,687.07, 235,438.51 and 103,619.07 is: 142,927.75
Step by Step Solution
- Step 1: Write the proportion equation
170,687.07 : 235,438.51 = 103,619.07 : x - Step 2: Convert to fraction form
170,687.07/235,438.51 = 103,619.07/x - Step 3: Cross multiply
170,687.07x = 235,438.51 × 103,619.07 - Step 4: Simplify right side
170,687.07x = 24,395,919,448.39 - Step 5: Solve for x
x = 24,395,919,448.39/170,687.07 - Step 6: Final answer
x = 142,927.75
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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.