Finding the Fourth Proportional to 320,240.79, 479,972.77 and 235,212.53
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Solution
The fourth proportional to 320,240.79, 479,972.77 and 235,212.53 is: 352,533.50
Step by Step Solution
- Step 1: Write the proportion equation
320,240.79 : 479,972.77 = 235,212.53 : x - Step 2: Convert to fraction form
320,240.79/479,972.77 = 235,212.53/x - Step 3: Cross multiply
320,240.79x = 479,972.77 × 235,212.53 - Step 4: Simplify right side
320,240.79x = 112,895,606,574.91 - Step 5: Solve for x
x = 112,895,606,574.91/320,240.79 - Step 6: Final answer
x = 352,533.50
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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.