Finding the Fourth Proportional to 207,220.08, 286,056.28 and 159,455.60
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Solution
The fourth proportional to 207,220.08, 286,056.28 and 159,455.60 is: 220,119.96
Step by Step Solution
- Step 1: Write the proportion equation
207,220.08 : 286,056.28 = 159,455.60 : x - Step 2: Convert to fraction form
207,220.08/286,056.28 = 159,455.60/x - Step 3: Cross multiply
207,220.08x = 286,056.28 × 159,455.60 - Step 4: Simplify right side
207,220.08x = 45,613,275,761.17 - Step 5: Solve for x
x = 45,613,275,761.17/207,220.08 - Step 6: Final answer
x = 220,119.96
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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.