Finding the Fourth Proportional to 145,952.01, 201,367.82 and 115,228.31
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Solution
The fourth proportional to 145,952.01, 201,367.82 and 115,228.31 is: 158,978.78
Step by Step Solution
- Step 1: Write the proportion equation
145,952.01 : 201,367.82 = 115,228.31 : x - Step 2: Convert to fraction form
145,952.01/201,367.82 = 115,228.31/x - Step 3: Cross multiply
145,952.01x = 201,367.82 × 115,228.31 - Step 4: Simplify right side
145,952.01x = 23,203,272,868.22 - Step 5: Solve for x
x = 23,203,272,868.22/145,952.01 - Step 6: Final answer
x = 158,978.78
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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.