Finding the Fourth Proportional to 292,812.06, 439,213.50 and 93,129.60
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Solution
The fourth proportional to 292,812.06, 439,213.50 and 93,129.60 is: 139,692.94
Step by Step Solution
- Step 1: Write the proportion equation
292,812.06 : 439,213.50 = 93,129.60 : x - Step 2: Convert to fraction form
292,812.06/439,213.50 = 93,129.60/x - Step 3: Cross multiply
292,812.06x = 439,213.50 × 93,129.60 - Step 4: Simplify right side
292,812.06x = 40,903,777,569.60 - Step 5: Solve for x
x = 40,903,777,569.60/292,812.06 - Step 6: Final answer
x = 139,692.94
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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.