Finding the Fourth Proportional to 352,277.80, 528,416.70 and 194,813.80
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Solution
The fourth proportional to 352,277.80, 528,416.70 and 194,813.80 is: 292,220.70
Step by Step Solution
- Step 1: Write the proportion equation
352,277.80 : 528,416.70 = 194,813.80 : x - Step 2: Convert to fraction form
352,277.80/528,416.70 = 194,813.80/x - Step 3: Cross multiply
352,277.80x = 528,416.70 × 194,813.80 - Step 4: Simplify right side
352,277.80x = 102,942,865,310.46 - Step 5: Solve for x
x = 102,942,865,310.46/352,277.80 - Step 6: Final answer
x = 292,220.70
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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.