Finding the Fourth Proportional to 492,136.24, 738,663.58 and 252,430.10
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Solution
The fourth proportional to 492,136.24, 738,663.58 and 252,430.10 is: 378,880.70
Step by Step Solution
- Step 1: Write the proportion equation
492,136.24 : 738,663.58 = 252,430.10 : x - Step 2: Convert to fraction form
492,136.24/738,663.58 = 252,430.10/x - Step 3: Cross multiply
492,136.24x = 738,663.58 × 252,430.10 - Step 4: Simplify right side
492,136.24x = 186,460,921,365.76 - Step 5: Solve for x
x = 186,460,921,365.76/492,136.24 - Step 6: Final answer
x = 378,880.70
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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.