Finding the Fourth Proportional to 150,415.44, 207,579.06 and 85,895.19
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Solution
The fourth proportional to 150,415.44, 207,579.06 and 85,895.19 is: 118,538.65
Step by Step Solution
- Step 1: Write the proportion equation
150,415.44 : 207,579.06 = 85,895.19 : x - Step 2: Convert to fraction form
150,415.44/207,579.06 = 85,895.19/x - Step 3: Cross multiply
150,415.44x = 207,579.06 × 85,895.19 - Step 4: Simplify right side
150,415.44x = 17,830,042,798.72 - Step 5: Solve for x
x = 17,830,042,798.72/150,415.44 - Step 6: Final answer
x = 118,538.65
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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.