Finding the Fourth Proportional to 583,452.09, 805,162.68 and 315,180.09
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Solution
The fourth proportional to 583,452.09, 805,162.68 and 315,180.09 is: 434,947.87
Step by Step Solution
- Step 1: Write the proportion equation
583,452.09 : 805,162.68 = 315,180.09 : x - Step 2: Convert to fraction form
583,452.09/805,162.68 = 315,180.09/x - Step 3: Cross multiply
583,452.09x = 805,162.68 × 315,180.09 - Step 4: Simplify right side
583,452.09x = 253,771,245,947.04 - Step 5: Solve for x
x = 253,771,245,947.04/583,452.09 - Step 6: Final answer
x = 434,947.87
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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.