Finding the Fourth Proportional to 145,670.95, 201,029.67 and 82,011.02
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Solution
The fourth proportional to 145,670.95, 201,029.67 and 82,011.02 is: 113,177.32
Step by Step Solution
- Step 1: Write the proportion equation
145,670.95 : 201,029.67 = 82,011.02 : x - Step 2: Convert to fraction form
145,670.95/201,029.67 = 82,011.02/x - Step 3: Cross multiply
145,670.95x = 201,029.67 × 82,011.02 - Step 4: Simplify right side
145,670.95x = 16,486,647,876.91 - Step 5: Solve for x
x = 16,486,647,876.91/145,670.95 - Step 6: Final answer
x = 113,177.32
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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.