Finding the Fourth Proportional to 462,203.70, 693,305.55 and 213,371.70
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Solution
The fourth proportional to 462,203.70, 693,305.55 and 213,371.70 is: 320,057.55
Step by Step Solution
- Step 1: Write the proportion equation
462,203.70 : 693,305.55 = 213,371.70 : x - Step 2: Convert to fraction form
462,203.70/693,305.55 = 213,371.70/x - Step 3: Cross multiply
462,203.70x = 693,305.55 × 213,371.70 - Step 4: Simplify right side
462,203.70x = 147,931,783,822.94 - Step 5: Solve for x
x = 147,931,783,822.94/462,203.70 - Step 6: Final answer
x = 320,057.55
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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.