Finding the Fourth Proportional to 145,745.58, 201,221.76 and 118,952.01
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Solution
The fourth proportional to 145,745.58, 201,221.76 and 118,952.01 is: 164,229.56
Step by Step Solution
- Step 1: Write the proportion equation
145,745.58 : 201,221.76 = 118,952.01 : x - Step 2: Convert to fraction form
145,745.58/201,221.76 = 118,952.01/x - Step 3: Cross multiply
145,745.58x = 201,221.76 × 118,952.01 - Step 4: Simplify right side
145,745.58x = 23,935,732,807.74 - Step 5: Solve for x
x = 23,935,732,807.74/145,745.58 - Step 6: Final answer
x = 164,229.56
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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.