Finding the Fourth Proportional to 301,011.81, 415,052.68 and 240,540.99
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Solution
The fourth proportional to 301,011.81, 415,052.68 and 240,540.99 is: 331,671.98
Step by Step Solution
- Step 1: Write the proportion equation
301,011.81 : 415,052.68 = 240,540.99 : x - Step 2: Convert to fraction form
301,011.81/415,052.68 = 240,540.99/x - Step 3: Cross multiply
301,011.81x = 415,052.68 × 240,540.99 - Step 4: Simplify right side
301,011.81x = 99,837,182,549.35 - Step 5: Solve for x
x = 99,837,182,549.35/301,011.81 - Step 6: Final answer
x = 331,671.98
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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.