Finding the Fourth Proportional to 202,970.80, 284,781.20 and 202,970.80
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Solution
The fourth proportional to 202,970.80, 284,781.20 and 202,970.80 is: 284,781.20
Step by Step Solution
- Step 1: Write the proportion equation
202,970.80 : 284,781.20 = 202,970.80 : x - Step 2: Convert to fraction form
202,970.80/284,781.20 = 202,970.80/x - Step 3: Cross multiply
202,970.80x = 284,781.20 × 202,970.80 - Step 4: Simplify right side
202,970.80x = 57,802,267,988.96 - Step 5: Solve for x
x = 57,802,267,988.96/202,970.80 - Step 6: Final answer
x = 284,781.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.