Finding the Fourth Proportional to 757,203.98, 1,136,020.57 and 308,246.90
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Solution
The fourth proportional to 757,203.98, 1,136,020.57 and 308,246.90 is: 462,457.71
Step by Step Solution
- Step 1: Write the proportion equation
757,203.98 : 1,136,020.57 = 308,246.90 : x - Step 2: Convert to fraction form
757,203.98/1,136,020.57 = 308,246.90/x - Step 3: Cross multiply
757,203.98x = 1,136,020.57 × 308,246.90 - Step 4: Simplify right side
757,203.98x = 350,174,821,108.17 - Step 5: Solve for x
x = 350,174,821,108.17/757,203.98 - Step 6: Final answer
x = 462,457.71
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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.