Finding the Fourth Proportional to 320,240.88, 479,972.91 and 235,212.63
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Solution
The fourth proportional to 320,240.88, 479,972.91 and 235,212.63 is: 352,533.66
Step by Step Solution
- Step 1: Write the proportion equation
320,240.88 : 479,972.91 = 235,212.63 : x - Step 2: Convert to fraction form
320,240.88/479,972.91 = 235,212.63/x - Step 3: Cross multiply
320,240.88x = 479,972.91 × 235,212.63 - Step 4: Simplify right side
320,240.88x = 112,895,691,371.90 - Step 5: Solve for x
x = 112,895,691,371.90/320,240.88 - Step 6: Final answer
x = 352,533.66
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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.