Finding the Fourth Proportional to 212,816.04, 318,435.54 and 170,567.99
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Solution
The fourth proportional to 212,816.04, 318,435.54 and 170,567.99 is: 255,219.99
Step by Step Solution
- Step 1: Write the proportion equation
212,816.04 : 318,435.54 = 170,567.99 : x - Step 2: Convert to fraction form
212,816.04/318,435.54 = 170,567.99/x - Step 3: Cross multiply
212,816.04x = 318,435.54 × 170,567.99 - Step 4: Simplify right side
212,816.04x = 54,314,907,557.35 - Step 5: Solve for x
x = 54,314,907,557.35/212,816.04 - Step 6: Final answer
x = 255,219.99
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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.