Finding the Fourth Proportional to 134,385.91, 201,574.39 and 39,617.66
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Solution
The fourth proportional to 134,385.91, 201,574.39 and 39,617.66 is: 59,425.17
Step by Step Solution
- Step 1: Write the proportion equation
134,385.91 : 201,574.39 = 39,617.66 : x - Step 2: Convert to fraction form
134,385.91/201,574.39 = 39,617.66/x - Step 3: Cross multiply
134,385.91x = 201,574.39 × 39,617.66 - Step 4: Simplify right side
134,385.91x = 7,985,905,647.73 - Step 5: Solve for x
x = 7,985,905,647.73/134,385.91 - Step 6: Final answer
x = 59,425.17
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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.