Finding the Fourth Proportional to 291,984.41, 437,938.74 and 92,324.94
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Solution
The fourth proportional to 291,984.41, 437,938.74 and 92,324.94 is: 138,475.44
Step by Step Solution
- Step 1: Write the proportion equation
291,984.41 : 437,938.74 = 92,324.94 : x - Step 2: Convert to fraction form
291,984.41/437,938.74 = 92,324.94/x - Step 3: Cross multiply
291,984.41x = 437,938.74 × 92,324.94 - Step 4: Simplify right side
291,984.41x = 40,432,667,894.18 - Step 5: Solve for x
x = 40,432,667,894.18/291,984.41 - Step 6: Final answer
x = 138,475.44
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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.