Finding the Fourth Proportional to 247,252.64, 341,252.32 and 145,278.08
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Solution
The fourth proportional to 247,252.64, 341,252.32 and 145,278.08 is: 200,509.41
Step by Step Solution
- Step 1: Write the proportion equation
247,252.64 : 341,252.32 = 145,278.08 : x - Step 2: Convert to fraction form
247,252.64/341,252.32 = 145,278.08/x - Step 3: Cross multiply
247,252.64x = 341,252.32 × 145,278.08 - Step 4: Simplify right side
247,252.64x = 49,576,480,138.88 - Step 5: Solve for x
x = 49,576,480,138.88/247,252.64 - Step 6: Final answer
x = 200,509.41
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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.