Finding the Fourth Proportional to 372,900.36, 514,564.14 and 209,530.92
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Solution
The fourth proportional to 372,900.36, 514,564.14 and 209,530.92 is: 289,131.12
Step by Step Solution
- Step 1: Write the proportion equation
372,900.36 : 514,564.14 = 209,530.92 : x - Step 2: Convert to fraction form
372,900.36/514,564.14 = 209,530.92/x - Step 3: Cross multiply
372,900.36x = 514,564.14 × 209,530.92 - Step 4: Simplify right side
372,900.36x = 107,817,097,653.21 - Step 5: Solve for x
x = 107,817,097,653.21/372,900.36 - Step 6: Final answer
x = 289,131.12
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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.