Finding the Fourth Proportional to 536,674.02, 805,108.23 and 220,958.70
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Solution
The fourth proportional to 536,674.02, 805,108.23 and 220,958.70 is: 331,478.07
Step by Step Solution
- Step 1: Write the proportion equation
536,674.02 : 805,108.23 = 220,958.70 : x - Step 2: Convert to fraction form
536,674.02/805,108.23 = 220,958.70/x - Step 3: Cross multiply
536,674.02x = 805,108.23 × 220,958.70 - Step 4: Simplify right side
536,674.02x = 177,895,667,860.10 - Step 5: Solve for x
x = 177,895,667,860.10/536,674.02 - Step 6: Final answer
x = 331,478.07
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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.