Finding the Fourth Proportional to 616,361.96, 850,563.12 and 344,432.08
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Solution
The fourth proportional to 616,361.96, 850,563.12 and 344,432.08 is: 475,307.11
Step by Step Solution
- Step 1: Write the proportion equation
616,361.96 : 850,563.12 = 344,432.08 : x - Step 2: Convert to fraction form
616,361.96/850,563.12 = 344,432.08/x - Step 3: Cross multiply
616,361.96x = 850,563.12 × 344,432.08 - Step 4: Simplify right side
616,361.96x = 292,961,224,592.89 - Step 5: Solve for x
x = 292,961,224,592.89/616,361.96 - Step 6: Final answer
x = 475,307.11
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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.