Finding the Fourth Proportional to 657,219.80, 985,829.70 and 236,343.80
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Solution
The fourth proportional to 657,219.80, 985,829.70 and 236,343.80 is: 354,515.70
Step by Step Solution
- Step 1: Write the proportion equation
657,219.80 : 985,829.70 = 236,343.80 : x - Step 2: Convert to fraction form
657,219.80/985,829.70 = 236,343.80/x - Step 3: Cross multiply
657,219.80x = 985,829.70 × 236,343.80 - Step 4: Simplify right side
657,219.80x = 232,994,737,450.86 - Step 5: Solve for x
x = 232,994,737,450.86/657,219.80 - Step 6: Final answer
x = 354,515.70
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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.