Finding the Fourth Proportional to 247,697.92, 341,829.84 and 145,730.08
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Solution
The fourth proportional to 247,697.92, 341,829.84 and 145,730.08 is: 201,111.46
Step by Step Solution
- Step 1: Write the proportion equation
247,697.92 : 341,829.84 = 145,730.08 : x - Step 2: Convert to fraction form
247,697.92/341,829.84 = 145,730.08/x - Step 3: Cross multiply
247,697.92x = 341,829.84 × 145,730.08 - Step 4: Simplify right side
247,697.92x = 49,814,889,929.59 - Step 5: Solve for x
x = 49,814,889,929.59/247,697.92 - Step 6: Final answer
x = 201,111.46
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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.