Finding the Fourth Proportional to 547,700.80, 821,551.20 and 193,115.20
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Solution
The fourth proportional to 547,700.80, 821,551.20 and 193,115.20 is: 289,672.80
Step by Step Solution
- Step 1: Write the proportion equation
547,700.80 : 821,551.20 = 193,115.20 : x - Step 2: Convert to fraction form
547,700.80/821,551.20 = 193,115.20/x - Step 3: Cross multiply
547,700.80x = 821,551.20 × 193,115.20 - Step 4: Simplify right side
547,700.80x = 158,654,024,298.24 - Step 5: Solve for x
x = 158,654,024,298.24/547,700.80 - Step 6: Final answer
x = 289,672.80
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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.