Finding the Fourth Proportional to 283,227.04, 390,890.64 and 170,057.08
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Solution
The fourth proportional to 283,227.04, 390,890.64 and 170,057.08 is: 234,701.18
Step by Step Solution
- Step 1: Write the proportion equation
283,227.04 : 390,890.64 = 170,057.08 : x - Step 2: Convert to fraction form
283,227.04/390,890.64 = 170,057.08/x - Step 3: Cross multiply
283,227.04x = 390,890.64 × 170,057.08 - Step 4: Simplify right side
283,227.04x = 66,473,720,837.73 - Step 5: Solve for x
x = 66,473,720,837.73/283,227.04 - Step 6: Final answer
x = 234,701.18
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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.