Finding the Fourth Proportional to 247,778.06, 341,904.69 and 145,781.08
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Solution
The fourth proportional to 247,778.06, 341,904.69 and 145,781.08 is: 201,160.81
Step by Step Solution
- Step 1: Write the proportion equation
247,778.06 : 341,904.69 = 145,781.08 : x - Step 2: Convert to fraction form
247,778.06/341,904.69 = 145,781.08/x - Step 3: Cross multiply
247,778.06x = 341,904.69 × 145,781.08 - Step 4: Simplify right side
247,778.06x = 49,843,234,965.27 - Step 5: Solve for x
x = 49,843,234,965.27/247,778.06 - Step 6: Final answer
x = 201,160.81
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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.