Finding the Fourth Proportional to 372,739.68, 514,389.96 and 202,983.12
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Solution
The fourth proportional to 372,739.68, 514,389.96 and 202,983.12 is: 280,121.72
Step by Step Solution
- Step 1: Write the proportion equation
372,739.68 : 514,389.96 = 202,983.12 : x - Step 2: Convert to fraction form
372,739.68/514,389.96 = 202,983.12/x - Step 3: Cross multiply
372,739.68x = 514,389.96 × 202,983.12 - Step 4: Simplify right side
372,739.68x = 104,412,478,977.48 - Step 5: Solve for x
x = 104,412,478,977.48/372,739.68 - Step 6: Final answer
x = 280,121.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.