Finding the Fourth Proportional to 353,352.36, 487,639.26 and 202,478.52
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Solution
The fourth proportional to 353,352.36, 487,639.26 and 202,478.52 is: 279,427.81
Step by Step Solution
- Step 1: Write the proportion equation
353,352.36 : 487,639.26 = 202,478.52 : x - Step 2: Convert to fraction form
353,352.36/487,639.26 = 202,478.52/x - Step 3: Cross multiply
353,352.36x = 487,639.26 × 202,478.52 - Step 4: Simplify right side
353,352.36x = 98,736,475,658.70 - Step 5: Solve for x
x = 98,736,475,658.70/353,352.36 - Step 6: Final answer
x = 279,427.81
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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.