Finding the Fourth Proportional to 328,995.16, 453,985.98 and 193,014.88
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Solution
The fourth proportional to 328,995.16, 453,985.98 and 193,014.88 is: 266,344.49
Step by Step Solution
- Step 1: Write the proportion equation
328,995.16 : 453,985.98 = 193,014.88 : x - Step 2: Convert to fraction form
328,995.16/453,985.98 = 193,014.88/x - Step 3: Cross multiply
328,995.16x = 453,985.98 × 193,014.88 - Step 4: Simplify right side
328,995.16x = 87,626,049,451.38 - Step 5: Solve for x
x = 87,626,049,451.38/328,995.16 - Step 6: Final answer
x = 266,344.49
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.