Finding the Fourth Proportional to 247,695.92, 341,827.08 and 145,728.08
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Solution
The fourth proportional to 247,695.92, 341,827.08 and 145,728.08 is: 201,108.70
Step by Step Solution
- Step 1: Write the proportion equation
247,695.92 : 341,827.08 = 145,728.08 : x - Step 2: Convert to fraction form
247,695.92/341,827.08 = 145,728.08/x - Step 3: Cross multiply
247,695.92x = 341,827.08 × 145,728.08 - Step 4: Simplify right side
247,695.92x = 49,813,804,060.41 - Step 5: Solve for x
x = 49,813,804,060.41/247,695.92 - Step 6: Final answer
x = 201,108.70
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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.