Finding the Fourth Proportional to 338,353.71, 507,491.05 and 135,941.62
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Solution
The fourth proportional to 338,353.71, 507,491.05 and 135,941.62 is: 203,896.55
Step by Step Solution
- Step 1: Write the proportion equation
338,353.71 : 507,491.05 = 135,941.62 : x - Step 2: Convert to fraction form
338,353.71/507,491.05 = 135,941.62/x - Step 3: Cross multiply
338,353.71x = 507,491.05 × 135,941.62 - Step 4: Simplify right side
338,353.71x = 68,989,153,863.92 - Step 5: Solve for x
x = 68,989,153,863.92/338,353.71 - Step 6: Final answer
x = 203,896.55
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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.