Finding the Fourth Proportional to 805,256.16, 1,206,998.50 and 331,683.18
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Solution
The fourth proportional to 805,256.16, 1,206,998.50 and 331,683.18 is: 497,159.94
Step by Step Solution
- Step 1: Write the proportion equation
805,256.16 : 1,206,998.50 = 331,683.18 : x - Step 2: Convert to fraction form
805,256.16/1,206,998.50 = 331,683.18/x - Step 3: Cross multiply
805,256.16x = 1,206,998.50 × 331,683.18 - Step 4: Simplify right side
805,256.16x = 400,341,100,735.23 - Step 5: Solve for x
x = 400,341,100,735.23/805,256.16 - Step 6: Final answer
x = 497,159.94
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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.