Finding the Fourth Proportional to 353,146.74, 487,338.87 and 262,906.26
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Solution
The fourth proportional to 353,146.74, 487,338.87 and 262,906.26 is: 362,807.94
Step by Step Solution
- Step 1: Write the proportion equation
353,146.74 : 487,338.87 = 262,906.26 : x - Step 2: Convert to fraction form
353,146.74/487,338.87 = 262,906.26/x - Step 3: Cross multiply
353,146.74x = 487,338.87 × 262,906.26 - Step 4: Simplify right side
353,146.74x = 128,124,439,664.33 - Step 5: Solve for x
x = 128,124,439,664.33/353,146.74 - Step 6: Final answer
x = 362,807.94
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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.