Finding the Fourth Proportional to 353,240.36, 487,484.48 and 202,366.52
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Solution
The fourth proportional to 353,240.36, 487,484.48 and 202,366.52 is: 279,273.12
Step by Step Solution
- Step 1: Write the proportion equation
353,240.36 : 487,484.48 = 202,366.52 : x - Step 2: Convert to fraction form
353,240.36/487,484.48 = 202,366.52/x - Step 3: Cross multiply
353,240.36x = 487,484.48 × 202,366.52 - Step 4: Simplify right side
353,240.36x = 98,650,534,322.35 - Step 5: Solve for x
x = 98,650,534,322.35/353,240.36 - Step 6: Final answer
x = 279,273.12
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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.