Finding the Fourth Proportional to 292,073.70, 438,110.55 and 125,861.70
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Solution
The fourth proportional to 292,073.70, 438,110.55 and 125,861.70 is: 188,792.55
Step by Step Solution
- Step 1: Write the proportion equation
292,073.70 : 438,110.55 = 125,861.70 : x - Step 2: Convert to fraction form
292,073.70/438,110.55 = 125,861.70/x - Step 3: Cross multiply
292,073.70x = 438,110.55 × 125,861.70 - Step 4: Simplify right side
292,073.70x = 55,141,338,610.94 - Step 5: Solve for x
x = 55,141,338,610.94/292,073.70 - Step 6: Final answer
x = 188,792.55
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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.