Finding the Fourth Proportional to 145,611.59, 201,005.99 and 97,892.62
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Solution
The fourth proportional to 145,611.59, 201,005.99 and 97,892.62 is: 135,133.49
Step by Step Solution
- Step 1: Write the proportion equation
145,611.59 : 201,005.99 = 97,892.62 : x - Step 2: Convert to fraction form
145,611.59/201,005.99 = 97,892.62/x - Step 3: Cross multiply
145,611.59x = 201,005.99 × 97,892.62 - Step 4: Simplify right side
145,611.59x = 19,677,002,996.79 - Step 5: Solve for x
x = 19,677,002,996.79/145,611.59 - Step 6: Final answer
x = 135,133.49
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1.5x scale
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.