Finding the Fourth Proportional to 283,060.08, 390,617.33 and 155,737.80
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Solution
The fourth proportional to 283,060.08, 390,617.33 and 155,737.80 is: 214,915.09
Step by Step Solution
- Step 1: Write the proportion equation
283,060.08 : 390,617.33 = 155,737.80 : x - Step 2: Convert to fraction form
283,060.08/390,617.33 = 155,737.80/x - Step 3: Cross multiply
283,060.08x = 390,617.33 × 155,737.80 - Step 4: Simplify right side
283,060.08x = 60,833,882,837.39 - Step 5: Solve for x
x = 60,833,882,837.39/283,060.08 - Step 6: Final answer
x = 214,915.09
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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.