Finding the Fourth Proportional to 353,229.84, 487,437.48 and 202,336.56
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Solution
The fourth proportional to 353,229.84, 487,437.48 and 202,336.56 is: 279,213.17
Step by Step Solution
- Step 1: Write the proportion equation
353,229.84 : 487,437.48 = 202,336.56 : x - Step 2: Convert to fraction form
353,229.84/487,437.48 = 202,336.56/x - Step 3: Cross multiply
353,229.84x = 487,437.48 × 202,336.56 - Step 4: Simplify right side
353,229.84x = 98,626,422,918.27 - Step 5: Solve for x
x = 98,626,422,918.27/353,229.84 - Step 6: Final answer
x = 279,213.17
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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.