Finding the Fourth Proportional to 120,457.17, 180,714.47 and 41,572.08
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Solution
The fourth proportional to 120,457.17, 180,714.47 and 41,572.08 is: 62,368.03
Step by Step Solution
- Step 1: Write the proportion equation
120,457.17 : 180,714.47 = 41,572.08 : x - Step 2: Convert to fraction form
120,457.17/180,714.47 = 41,572.08/x - Step 3: Cross multiply
120,457.17x = 180,714.47 × 41,572.08 - Step 4: Simplify right side
120,457.17x = 7,512,676,196.14 - Step 5: Solve for x
x = 7,512,676,196.14/120,457.17 - Step 6: Final answer
x = 62,368.03
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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.