Finding the Fourth Proportional to 134,948.07, 202,312.73 and 56,121.30
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Solution
The fourth proportional to 134,948.07, 202,312.73 and 56,121.30 is: 84,136.46
Step by Step Solution
- Step 1: Write the proportion equation
134,948.07 : 202,312.73 = 56,121.30 : x - Step 2: Convert to fraction form
134,948.07/202,312.73 = 56,121.30/x - Step 3: Cross multiply
134,948.07x = 202,312.73 × 56,121.30 - Step 4: Simplify right side
134,948.07x = 11,354,052,121.98 - Step 5: Solve for x
x = 11,354,052,121.98/134,948.07 - Step 6: Final answer
x = 84,136.46
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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.