Finding the Fourth Proportional to 145,612.46, 201,007.20 and 97,893.49
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Solution
The fourth proportional to 145,612.46, 201,007.20 and 97,893.49 is: 135,134.70
Step by Step Solution
- Step 1: Write the proportion equation
145,612.46 : 201,007.20 = 97,893.49 : x - Step 2: Convert to fraction form
145,612.46/201,007.20 = 97,893.49/x - Step 3: Cross multiply
145,612.46x = 201,007.20 × 97,893.49 - Step 4: Simplify right side
145,612.46x = 19,677,296,323.13 - Step 5: Solve for x
x = 19,677,296,323.13/145,612.46 - Step 6: Final answer
x = 135,134.70
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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.