Finding the Fourth Proportional to 272,946.08, 409,649.16 and 115,287.68
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Solution
The fourth proportional to 272,946.08, 409,649.16 and 115,287.68 is: 173,028.68
Step by Step Solution
- Step 1: Write the proportion equation
272,946.08 : 409,649.16 = 115,287.68 : x - Step 2: Convert to fraction form
272,946.08/409,649.16 = 115,287.68/x - Step 3: Cross multiply
272,946.08x = 409,649.16 × 115,287.68 - Step 4: Simplify right side
272,946.08x = 47,227,501,270.35 - Step 5: Solve for x
x = 47,227,501,270.35/272,946.08 - Step 6: Final answer
x = 173,028.68
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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.