Finding the Fourth Proportional to 512,207.40, 768,426.30 and 157,237.80
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Solution
The fourth proportional to 512,207.40, 768,426.30 and 157,237.80 is: 235,892.06
Step by Step Solution
- Step 1: Write the proportion equation
512,207.40 : 768,426.30 = 157,237.80 : x - Step 2: Convert to fraction form
512,207.40/768,426.30 = 157,237.80/x - Step 3: Cross multiply
512,207.40x = 768,426.30 × 157,237.80 - Step 4: Simplify right side
512,207.40x = 120,825,660,874.14 - Step 5: Solve for x
x = 120,825,660,874.14/512,207.40 - Step 6: Final answer
x = 235,892.06
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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.