Finding the Fourth Proportional to 162,228.26, 243,342.40 and 51,420.26
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Solution
The fourth proportional to 162,228.26, 243,342.40 and 51,420.26 is: 77,130.39
Step by Step Solution
- Step 1: Write the proportion equation
162,228.26 : 243,342.40 = 51,420.26 : x - Step 2: Convert to fraction form
162,228.26/243,342.40 = 51,420.26/x - Step 3: Cross multiply
162,228.26x = 243,342.40 × 51,420.26 - Step 4: Simplify right side
162,228.26x = 12,512,729,477.02 - Step 5: Solve for x
x = 12,512,729,477.02/162,228.26 - Step 6: Final answer
x = 77,130.39
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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.