Finding the Fourth Proportional to 318,268.21, 439,200.07 and 175,027.81
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Solution
The fourth proportional to 318,268.21, 439,200.07 and 175,027.81 is: 241,532.85
Step by Step Solution
- Step 1: Write the proportion equation
318,268.21 : 439,200.07 = 175,027.81 : x - Step 2: Convert to fraction form
318,268.21/439,200.07 = 175,027.81/x - Step 3: Cross multiply
318,268.21x = 439,200.07 × 175,027.81 - Step 4: Simplify right side
318,268.21x = 76,872,226,403.95 - Step 5: Solve for x
x = 76,872,226,403.95/318,268.21 - Step 6: Final answer
x = 241,532.85
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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.