Finding the Fourth Proportional to 879,177.24, 1,318,769.10 and 214,329.24
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Solution
The fourth proportional to 879,177.24, 1,318,769.10 and 214,329.24 is: 321,494.65
Step by Step Solution
- Step 1: Write the proportion equation
879,177.24 : 1,318,769.10 = 214,329.24 : x - Step 2: Convert to fraction form
879,177.24/1,318,769.10 = 214,329.24/x - Step 3: Cross multiply
879,177.24x = 1,318,769.10 × 214,329.24 - Step 4: Simplify right side
879,177.24x = 282,650,778,938.48 - Step 5: Solve for x
x = 282,650,778,938.48/879,177.24 - Step 6: Final answer
x = 321,494.65
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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.