Finding the Fourth Proportional to 212,430.54, 318,571.56 and 62,631.06
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Solution
The fourth proportional to 212,430.54, 318,571.56 and 62,631.06 is: 93,924.70
Step by Step Solution
- Step 1: Write the proportion equation
212,430.54 : 318,571.56 = 62,631.06 : x - Step 2: Convert to fraction form
212,430.54/318,571.56 = 62,631.06/x - Step 3: Cross multiply
212,430.54x = 318,571.56 × 62,631.06 - Step 4: Simplify right side
212,430.54x = 19,952,474,488.65 - Step 5: Solve for x
x = 19,952,474,488.65/212,430.54 - Step 6: Final answer
x = 93,924.70
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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.