Finding the Fourth Proportional to 507,193.22, 699,918.08 and 280,833.86
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Solution
The fourth proportional to 507,193.22, 699,918.08 and 280,833.86 is: 387,545.99
Step by Step Solution
- Step 1: Write the proportion equation
507,193.22 : 699,918.08 = 280,833.86 : x - Step 2: Convert to fraction form
507,193.22/699,918.08 = 280,833.86/x - Step 3: Cross multiply
507,193.22x = 699,918.08 × 280,833.86 - Step 4: Simplify right side
507,193.22x = 196,560,696,090.19 - Step 5: Solve for x
x = 196,560,696,090.19/507,193.22 - Step 6: Final answer
x = 387,545.99
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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.