Finding the Fourth Proportional to 434,404.70, 651,607.05 and 368,138.60
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Solution
The fourth proportional to 434,404.70, 651,607.05 and 368,138.60 is: 552,207.90
Step by Step Solution
- Step 1: Write the proportion equation
434,404.70 : 651,607.05 = 368,138.60 : x - Step 2: Convert to fraction form
434,404.70/651,607.05 = 368,138.60/x - Step 3: Cross multiply
434,404.70x = 651,607.05 × 368,138.60 - Step 4: Simplify right side
434,404.70x = 239,881,707,137.13 - Step 5: Solve for x
x = 239,881,707,137.13/434,404.70 - Step 6: Final answer
x = 552,207.90
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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.