Finding the Fourth Proportional to 193,109.08, 289,743.56 and 104,258.09
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Solution
The fourth proportional to 193,109.08, 289,743.56 and 104,258.09 is: 156,430.29
Step by Step Solution
- Step 1: Write the proportion equation
193,109.08 : 289,743.56 = 104,258.09 : x - Step 2: Convert to fraction form
193,109.08/289,743.56 = 104,258.09/x - Step 3: Cross multiply
193,109.08x = 289,743.56 × 104,258.09 - Step 4: Simplify right side
193,109.08x = 30,208,110,155.40 - Step 5: Solve for x
x = 30,208,110,155.40/193,109.08 - Step 6: Final answer
x = 156,430.29
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.