Finding the Fourth Proportional to 134,954.11, 202,385.09 and 97,402.65
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Solution
The fourth proportional to 134,954.11, 202,385.09 and 97,402.65 is: 146,070.72
Step by Step Solution
- Step 1: Write the proportion equation
134,954.11 : 202,385.09 = 97,402.65 : x - Step 2: Convert to fraction form
134,954.11/202,385.09 = 97,402.65/x - Step 3: Cross multiply
134,954.11x = 202,385.09 × 97,402.65 - Step 4: Simplify right side
134,954.11x = 19,712,843,571.05 - Step 5: Solve for x
x = 19,712,843,571.05/134,954.11 - Step 6: Final answer
x = 146,070.72
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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.