Finding the Fourth Proportional to 212,069.99, 317,675.32 and 98,055.77
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Solution
The fourth proportional to 212,069.99, 317,675.32 and 98,055.77 is: 146,884.99
Step by Step Solution
- Step 1: Write the proportion equation
212,069.99 : 317,675.32 = 98,055.77 : x - Step 2: Convert to fraction form
212,069.99/317,675.32 = 98,055.77/x - Step 3: Cross multiply
212,069.99x = 317,675.32 × 98,055.77 - Step 4: Simplify right side
212,069.99x = 31,149,898,112.60 - Step 5: Solve for x
x = 31,149,898,112.60/212,069.99 - Step 6: Final answer
x = 146,884.99
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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.