Finding the Fourth Proportional to 424,749.12, 586,149.12 and 297,378.24
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Solution
The fourth proportional to 424,749.12, 586,149.12 and 297,378.24 is: 410,378.70
Step by Step Solution
- Step 1: Write the proportion equation
424,749.12 : 586,149.12 = 297,378.24 : x - Step 2: Convert to fraction form
424,749.12/586,149.12 = 297,378.24/x - Step 3: Cross multiply
424,749.12x = 586,149.12 × 297,378.24 - Step 4: Simplify right side
424,749.12x = 174,307,993,683.15 - Step 5: Solve for x
x = 174,307,993,683.15/424,749.12 - Step 6: Final answer
x = 410,378.70
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1.5x scale
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.