Finding the Fourth Proportional to 506,220.84, 759,043.80 and 206,350.20
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Solution
The fourth proportional to 506,220.84, 759,043.80 and 206,350.20 is: 309,408.12
Step by Step Solution
- Step 1: Write the proportion equation
506,220.84 : 759,043.80 = 206,350.20 : x - Step 2: Convert to fraction form
506,220.84/759,043.80 = 206,350.20/x - Step 3: Cross multiply
506,220.84x = 759,043.80 × 206,350.20 - Step 4: Simplify right side
506,220.84x = 156,628,839,938.76 - Step 5: Solve for x
x = 156,628,839,938.76/506,220.84 - Step 6: Final answer
x = 309,408.12
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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.