Finding the Fourth Proportional to 469,295.06, 647,627.49 and 254,435.99
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Solution
The fourth proportional to 469,295.06, 647,627.49 and 254,435.99 is: 351,121.83
Step by Step Solution
- Step 1: Write the proportion equation
469,295.06 : 647,627.49 = 254,435.99 : x - Step 2: Convert to fraction form
469,295.06/647,627.49 = 254,435.99/x - Step 3: Cross multiply
469,295.06x = 647,627.49 × 254,435.99 - Step 4: Simplify right side
469,295.06x = 164,779,738,331.23 - Step 5: Solve for x
x = 164,779,738,331.23/469,295.06 - Step 6: Final answer
x = 351,121.83
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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.