Finding the Fourth Proportional to 212,212.72, 318,339.06 and 62,453.08
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Solution
The fourth proportional to 212,212.72, 318,339.06 and 62,453.08 is: 93,685.50
Step by Step Solution
- Step 1: Write the proportion equation
212,212.72 : 318,339.06 = 62,453.08 : x - Step 2: Convert to fraction form
212,212.72/318,339.06 = 62,453.08/x - Step 3: Cross multiply
212,212.72x = 318,339.06 × 62,453.08 - Step 4: Simplify right side
212,212.72x = 19,881,254,781.30 - Step 5: Solve for x
x = 19,881,254,781.30/212,212.72 - Step 6: Final answer
x = 93,685.50
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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.