Finding the Fourth Proportional to 247,685.92, 341,813.28 and 145,718.08
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Solution
The fourth proportional to 247,685.92, 341,813.28 and 145,718.08 is: 201,094.90
Step by Step Solution
- Step 1: Write the proportion equation
247,685.92 : 341,813.28 = 145,718.08 : x - Step 2: Convert to fraction form
247,685.92/341,813.28 = 145,718.08/x - Step 3: Cross multiply
247,685.92x = 341,813.28 × 145,718.08 - Step 4: Simplify right side
247,685.92x = 49,808,374,880.10 - Step 5: Solve for x
x = 49,808,374,880.10/247,685.92 - Step 6: Final answer
x = 201,094.90
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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.