Finding the Fourth Proportional to 683,423.40, 1,025,129.70 and 177,983.40
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Solution
The fourth proportional to 683,423.40, 1,025,129.70 and 177,983.40 is: 266,973.69
Step by Step Solution
- Step 1: Write the proportion equation
683,423.40 : 1,025,129.70 = 177,983.40 : x - Step 2: Convert to fraction form
683,423.40/1,025,129.70 = 177,983.40/x - Step 3: Cross multiply
683,423.40x = 1,025,129.70 × 177,983.40 - Step 4: Simplify right side
683,423.40x = 182,456,069,446.98 - Step 5: Solve for x
x = 182,456,069,446.98/683,423.40 - Step 6: Final answer
x = 266,973.69
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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.