Finding the Fourth Proportional to 212,756.48, 318,833.40 and 118,028.08
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Solution
The fourth proportional to 212,756.48, 318,833.40 and 118,028.08 is: 176,874.96
Step by Step Solution
- Step 1: Write the proportion equation
212,756.48 : 318,833.40 = 118,028.08 : x - Step 2: Convert to fraction form
212,756.48/318,833.40 = 118,028.08/x - Step 3: Cross multiply
212,756.48x = 318,833.40 × 118,028.08 - Step 4: Simplify right side
212,756.48x = 37,631,294,041.87 - Step 5: Solve for x
x = 37,631,294,041.87/212,756.48 - Step 6: Final answer
x = 176,874.96
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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.