Finding the Fourth Proportional to 695,324.16, 1,043,148.89 and 215,526.84
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Solution
The fourth proportional to 695,324.16, 1,043,148.89 and 215,526.84 is: 323,340.68
Step by Step Solution
- Step 1: Write the proportion equation
695,324.16 : 1,043,148.89 = 215,526.84 : x - Step 2: Convert to fraction form
695,324.16/1,043,148.89 = 215,526.84/x - Step 3: Cross multiply
695,324.16x = 1,043,148.89 × 215,526.84 - Step 4: Simplify right side
695,324.16x = 224,826,583,911.21 - Step 5: Solve for x
x = 224,826,583,911.21/695,324.16 - Step 6: Final answer
x = 323,340.68
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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.