Finding the Fourth Proportional to 134,735.05, 202,068.09 and 39,943.07
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Solution
The fourth proportional to 134,735.05, 202,068.09 and 39,943.07 is: 59,904.38
Step by Step Solution
- Step 1: Write the proportion equation
134,735.05 : 202,068.09 = 39,943.07 : x - Step 2: Convert to fraction form
134,735.05/202,068.09 = 39,943.07/x - Step 3: Cross multiply
134,735.05x = 202,068.09 × 39,943.07 - Step 4: Simplify right side
134,735.05x = 8,071,219,383.43 - Step 5: Solve for x
x = 8,071,219,383.43/134,735.05 - Step 6: Final answer
x = 59,904.38
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1.5x scale
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.