Finding the Fourth Proportional to 373,457.19, 515,368.44 and 212,312.28
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Solution
The fourth proportional to 373,457.19, 515,368.44 and 212,312.28 is: 292,989.54
Step by Step Solution
- Step 1: Write the proportion equation
373,457.19 : 515,368.44 = 212,312.28 : x - Step 2: Convert to fraction form
373,457.19/515,368.44 = 212,312.28/x - Step 3: Cross multiply
373,457.19x = 515,368.44 × 212,312.28 - Step 4: Simplify right side
373,457.19x = 109,419,048,536.44 - Step 5: Solve for x
x = 109,419,048,536.44/373,457.19 - Step 6: Final answer
x = 292,989.54
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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.