Finding the Fourth Proportional to 371,457.06, 512,829.53 and 226,317.62
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Solution
The fourth proportional to 371,457.06, 512,829.53 and 226,317.62 is: 312,451.61
Step by Step Solution
- Step 1: Write the proportion equation
371,457.06 : 512,829.53 = 226,317.62 : x - Step 2: Convert to fraction form
371,457.06/512,829.53 = 226,317.62/x - Step 3: Cross multiply
371,457.06x = 512,829.53 × 226,317.62 - Step 4: Simplify right side
371,457.06x = 116,062,354,999.58 - Step 5: Solve for x
x = 116,062,354,999.58/371,457.06 - Step 6: Final answer
x = 312,451.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.