Finding the Fourth Proportional to 213,197.04, 319,739.84 and 63,397.02
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Solution
The fourth proportional to 213,197.04, 319,739.84 and 63,397.02 is: 95,078.96
Step by Step Solution
- Step 1: Write the proportion equation
213,197.04 : 319,739.84 = 63,397.02 : x - Step 2: Convert to fraction form
213,197.04/319,739.84 = 63,397.02/x - Step 3: Cross multiply
213,197.04x = 319,739.84 × 63,397.02 - Step 4: Simplify right side
213,197.04x = 20,270,553,031.28 - Step 5: Solve for x
x = 20,270,553,031.28/213,197.04 - Step 6: Final answer
x = 95,078.96
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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.