Finding the Fourth Proportional to 207,789.14, 286,749.06 and 118,365.14
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Solution
The fourth proportional to 207,789.14, 286,749.06 and 118,365.14 is: 163,343.92
Step by Step Solution
- Step 1: Write the proportion equation
207,789.14 : 286,749.06 = 118,365.14 : x - Step 2: Convert to fraction form
207,789.14/286,749.06 = 118,365.14/x - Step 3: Cross multiply
207,789.14x = 286,749.06 × 118,365.14 - Step 4: Simplify right side
207,789.14x = 33,941,092,631.77 - Step 5: Solve for x
x = 33,941,092,631.77/207,789.14 - Step 6: Final answer
x = 163,343.92
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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.