Finding the Fourth Proportional to 375,402.76, 561,795.12 and 307,145.94
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Solution
The fourth proportional to 375,402.76, 561,795.12 and 307,145.94 is: 459,647.90
Step by Step Solution
- Step 1: Write the proportion equation
375,402.76 : 561,795.12 = 307,145.94 : x - Step 2: Convert to fraction form
375,402.76/561,795.12 = 307,145.94/x - Step 3: Cross multiply
375,402.76x = 561,795.12 × 307,145.94 - Step 4: Simplify right side
375,402.76x = 172,553,090,219.81 - Step 5: Solve for x
x = 172,553,090,219.81/375,402.76 - Step 6: Final answer
x = 459,647.90
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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.