Finding the Fourth Proportional to 213,320.68, 319,981.04 and 55,548.68
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Solution
The fourth proportional to 213,320.68, 319,981.04 and 55,548.68 is: 83,323.03
Step by Step Solution
- Step 1: Write the proportion equation
213,320.68 : 319,981.04 = 55,548.68 : x - Step 2: Convert to fraction form
213,320.68/319,981.04 = 55,548.68/x - Step 3: Cross multiply
213,320.68x = 319,981.04 × 55,548.68 - Step 4: Simplify right side
213,320.68x = 17,774,524,397.03 - Step 5: Solve for x
x = 17,774,524,397.03/213,320.68 - Step 6: Final answer
x = 83,323.03
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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.