Finding the Fourth Proportional to 536,027.99, 739,719.18 and 318,280.12
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Solution
The fourth proportional to 536,027.99, 739,719.18 and 318,280.12 is: 439,226.90
Step by Step Solution
- Step 1: Write the proportion equation
536,027.99 : 739,719.18 = 318,280.12 : x - Step 2: Convert to fraction form
536,027.99/739,719.18 = 318,280.12/x - Step 3: Cross multiply
536,027.99x = 739,719.18 × 318,280.12 - Step 4: Simplify right side
536,027.99x = 235,437,907,527.40 - Step 5: Solve for x
x = 235,437,907,527.40/536,027.99 - Step 6: Final answer
x = 439,226.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.