Finding the Fourth Proportional to 145,277.99, 200,488.79 and 80,748.53
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Solution
The fourth proportional to 145,277.99, 200,488.79 and 80,748.53 is: 111,435.84
Step by Step Solution
- Step 1: Write the proportion equation
145,277.99 : 200,488.79 = 80,748.53 : x - Step 2: Convert to fraction form
145,277.99/200,488.79 = 80,748.53/x - Step 3: Cross multiply
145,277.99x = 200,488.79 × 80,748.53 - Step 4: Simplify right side
145,277.99x = 16,189,174,670.24 - Step 5: Solve for x
x = 16,189,174,670.24/145,277.99 - Step 6: Final answer
x = 111,435.84
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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.