Finding the Fourth Proportional to 372,463.11, 514,107.41 and 243,421.00
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Solution
The fourth proportional to 372,463.11, 514,107.41 and 243,421.00 is: 335,991.76
Step by Step Solution
- Step 1: Write the proportion equation
372,463.11 : 514,107.41 = 243,421.00 : x - Step 2: Convert to fraction form
372,463.11/514,107.41 = 243,421.00/x - Step 3: Cross multiply
372,463.11x = 514,107.41 × 243,421.00 - Step 4: Simplify right side
372,463.11x = 125,144,536,061.97 - Step 5: Solve for x
x = 125,144,536,061.97/372,463.11 - Step 6: Final answer
x = 335,991.76
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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.