Finding the Fourth Proportional to 377,345.92, 520,310.64 and 291,110.08
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Solution
The fourth proportional to 377,345.92, 520,310.64 and 291,110.08 is: 401,402.70
Step by Step Solution
- Step 1: Write the proportion equation
377,345.92 : 520,310.64 = 291,110.08 : x - Step 2: Convert to fraction form
377,345.92/520,310.64 = 291,110.08/x - Step 3: Cross multiply
377,345.92x = 520,310.64 × 291,110.08 - Step 4: Simplify right side
377,345.92x = 151,467,672,035.25 - Step 5: Solve for x
x = 151,467,672,035.25/377,345.92 - Step 6: Final answer
x = 401,402.70
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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.