Finding the Fourth Proportional to 212,397.36, 318,595.64 and 62,742.76
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Solution
The fourth proportional to 212,397.36, 318,595.64 and 62,742.76 is: 94,114.02
Step by Step Solution
- Step 1: Write the proportion equation
212,397.36 : 318,595.64 = 62,742.76 : x - Step 2: Convert to fraction form
212,397.36/318,595.64 = 62,742.76/x - Step 3: Cross multiply
212,397.36x = 318,595.64 × 62,742.76 - Step 4: Simplify right side
212,397.36x = 19,989,569,777.57 - Step 5: Solve for x
x = 19,989,569,777.57/212,397.36 - Step 6: Final answer
x = 94,114.02
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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.