Finding the Fourth Proportional to 292,438.68, 438,673.62 and 92,775.03
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Solution
The fourth proportional to 292,438.68, 438,673.62 and 92,775.03 is: 139,167.49
Step by Step Solution
- Step 1: Write the proportion equation
292,438.68 : 438,673.62 = 92,775.03 : x - Step 2: Convert to fraction form
292,438.68/438,673.62 = 92,775.03/x - Step 3: Cross multiply
292,438.68x = 438,673.62 × 92,775.03 - Step 4: Simplify right side
292,438.68x = 40,697,958,255.71 - Step 5: Solve for x
x = 40,697,958,255.71/292,438.68 - Step 6: Final answer
x = 139,167.49
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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.