Finding the Fourth Proportional to 286,952.10, 430,428.15 and 192,473.70
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Solution
The fourth proportional to 286,952.10, 430,428.15 and 192,473.70 is: 288,710.55
Step by Step Solution
- Step 1: Write the proportion equation
286,952.10 : 430,428.15 = 192,473.70 : x - Step 2: Convert to fraction form
286,952.10/430,428.15 = 192,473.70/x - Step 3: Cross multiply
286,952.10x = 430,428.15 × 192,473.70 - Step 4: Simplify right side
286,952.10x = 82,846,098,614.66 - Step 5: Solve for x
x = 82,846,098,614.66/286,952.10 - Step 6: Final answer
x = 288,710.55
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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.